Continuous support for women during childbirth

Cochrane Database of Systematic Reviews

Volumn 2017, Issue 7, 2017, Pages

  Bohren, Meghan A ^a   Hofmeyr, G Justus ^b   Sakala, Carol ^c   Fukuzawa, Rieko K ^d   Cuthbert, Anna ^e  

^a WORLD HEALTH ORGANIZATION   (Switzerland)

^b WALTER SISULU UNIVERSITY   (South Africa)

^c National Partnership for Women and Families   (United States)

^d UNIVERSITY OF TSUKUBA   (Japan)

^e UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

OXYTOCIN;

APGAR SCORE; BREAST FEEDING; CESAREAN SECTION; COMPARATIVE EFFECTIVENESS; COUNTRY ECONOMIC STATUS; EPIDURAL ANALGESIA; HEALTH CARE POLICY; HOSPITAL ADMISSION; HUMAN; INSTRUMENTAL DELIVERY; LABOR PAIN; LABOR SUPPORT; LENGTH OF STAY; MOTHER; NURSERY; PERINEUM INJURY; POSTNATAL DEPRESSION; PRIORITY JOURNAL; REGIONAL ANESTHESIA; REVIEW; SELF ESTEEM; SYSTEMATIC REVIEW; VAGINAL DELIVERY; DOULA; FEMALE; LABOR; OBSTETRIC DELIVERY; PERSONAL AUTONOMY; PREGNANCY; PREGNANCY OUTCOME; PROFESSIONAL-PATIENT RELATIONSHIP;

CESAREAN SECTION; DELIVERY, OBSTETRIC; DOULAS; FEMALE; HUMANS; LABOR, OBSTETRIC; PERSONAL AUTONOMY; PREGNANCY; PREGNANCY OUTCOME; PROFESSIONAL-PATIENT RELATIONS;

EID: 85021745532     PISSN: 14651858     EISSN: None     Source Type: Journal    
DOI: 10.1002/14651858.CD003766.pub6     Document Type: Review

References (143)

1. Akbarzadeh M, Masoudi Z, Hadianfard MJ, Kasraeian M, Zare N. Comparison of the effects of maternal supportive care and acupressure (BL32 acupoint) on pregnant women's pain intensity and delivery outcome. Journal of Pregnancy 2014;2014:129208. 2674825
2. Akbarzadeh M, Masoudi Z, Zare N, Kasraeian M. Comparison of the effects of maternal supportive care and accupressure (at BL32 acupoint) on labor length and infant's Apgar score. Global Journal of Health Science 2015;8(2):236-44. 6207398
3. IRCT2014021211706N6. Comparison the effect of supportive care for the mother and acupressure (point bl32) on the length of labor and neonate APGAR. http://en.search.irct.ir/view/17019 (first received 14 February 2014). 6207399
4. Masoudi Z, Akbarzadeh M, Vaziri F, Zare N, Ramzi M. The effects of decreasing maternal anxiety on fetal oxygenation and nucleated red blood cells count in the cord blood. Iranian Journal of Pediatrics 2014;24(3):285-92. 6207400
5. Bréart G, Garel M, Mlika-Cabanne N. Evaluation of different policies of management of labour for primiparous women. Trial B: Results of the continuous professional support trial. In: Kaminski M editor(s). Evaluation in Pre-, Peri-, and Post-Natal Care Delivery Systems. Paris, France: INSERM, 1992:57-68. 2674712
6. Bréart G, Mlika-Cabane N, Kaminski M. The evaluation of different policies for the management of labour. Proceedings of 3rd European Health Services Research Meeting; 1991 Dec 13-14; London, UK. 1991. 2674714
7. Bréart G, Mlika-Cabane N, Kaminski M, Alexander S, Herruzo-Nalda A, Mandruzzato P, et al. Evaluation of different policies for the management of labour. Early Human Development 1992;29(1-3):309-12. 2674713
8. Bréart G, Mlika-Cabane N, Thornton J, Trakas D, Alexander S, Mandruzzato P, et al. European trials on artificial rupture of membranes and professional support during labour. Journal of Perinatal Medicine 1992;20(Suppl 1):37. 2674715
9. Bréart G, Garel M, Mlika-Cabanne N. Evaluation of different policies of management of labour for primiparous women. Trial B: Results of the continuous professional support trial. In: Kaminski M editor(s). Evaluation in Pre-, Peri-, and Post-natal Care Delivery Systems. Paris, France: INSERM, 1992:57-68. 2674717
10. Bréart G, Mlika-Cabane N, Kaminski M. The evaluation of different policies for the management of labour. Proceedings of 3rd European Health Services Research Meeting; 1991 Dec 13-14; London, UK. 1991. 2674719
11. Bréart G, Mlika-Cabane N, Kaminski M, Alexander S, Herruzo-Nalda A, Mandruzzato P, et al. Evaluation of different policies for the management of labour. Early Human Development 1992;29(1-3):309-12. 2674718
12. Bréart G, Mlika-Cabane N, Thornton J, Trakas D, Alexander S, et al. European trials on artificial rupture of membranes and professional support during labour. Journal of Perinatal Medicine 1992;20(Suppl 1):37. 2674720
13. Bréart G, Garel M, Mlika-Cabanne N. Evaluation of different policies of management of labour for primiparous women. Trial B: Results of the continuous professional support trial. In: Kaminski M editor(s). Evaluation in Pre-, Peri-, and Post-Natal Care Delivery Systems. Paris, France: INSERM, 1992:57-68. 2674722
14. Bréart G, Mlika-Cabane N, Kaminski M. The evaluation of different policies for the management of labour. Proceedings of 3rd European Health Services Research Meeting; 1991 Dec 13-14; London, UK. 1991. 2674724
15. Bréart G, Mlika-Cabane N, Kaminski M, Alexander S, Herruzo-Nalda A, Mandruzzato P, et al. Evaluation of different policies for the management of labour. Early Human Development 1992;29(1-3):309-12. 2674723
16. Bréart G, Mlika-Cabane N, Thornton J, Trakas D, Alexander S, et al. European trials on artificial rupture of membranes and professional support during labour. Journal of Perinatal Medicine 1992;20(Suppl 1):37. 2674725
17. Bruggemann OM, Parpinelli MA, Osis MJD, Cecatti JG, Neto ASC. Support to a woman by a companion of her choice during childbirth: a randomized controlled trial. Neonatal Intensive Care 2008;21(1):44-8. 6207401
18. Bruggemann OM, Parpinelli MA, Osis MJD, Cecatti JG, Neto ASC. Support to woman by a companion of her choice during childbirth: a randomized controlled trial. Reproductive Health 2007;4:5. 2674727
19. Campbell D, Scott KD, Klaus MH, Falk M. Female relatives or friends trained as labor doulas: outcomes at 6 to 8 weeks postpartum. Birth 2007;34(3):220-7. 2674729
20. Campbell DA, Lake MF, Falk M, Backstrand JR. A randomized control trial of continuous support in labor by a lay doula. Journal of Obstetric, Gynecologic, and Neonatal Nursing 2006;35(4):456-64. 2674730
21. NCT00127361. Evaluation of continuous support in labor [Study of having a female friend as labor support]. clinicaltrials.gov/ct2/show/record/NCT00127361 (first received 4 August 2005). 6207402
22. Cogan R, Spinnato JA. Social support during premature labor: effects on labor and the newborn. Journal of Psychosomatic Obstetrics and Gynaecology 1988;8(3):209-16. 2674732
23. Dickinson JE, Paech MJ, McDonald SJ, Evans SF. Maternal satisfaction with childbirth and intrapartum analgesia in nulliparous labour. Australian and New Zealand Journal of Obstetrics and Gynaecology 2003;43(6):463-8. 2674734
24. Dickinson JE, Paech MJ, McDonald SJ, Evans SF. The impact of intrapartum analgesia on labour and delivery outcomes in nulliparous women. Australian and New Zealand Journal of Obstetrics and Gynaecology 2002;42(1):59-66. 2674735
25. Henderson JJ, Dickinson JE, Evans SF, McDonald SJ, Paech MJ. Impact of intrapartum epidural analgesia on breast-feeding duration. Australian and New Zealand Journal of Obstetrics and Gynaecology 2003;43(5):372-7. 2674736
26. Gagnon A, Waghorn K. One-to-one nurse labor support of nulliparous women stimulated with oxytocin. Journal of Obstetric, Gynecologic and Neonatal Nursing 1999;28(4):371-6. 2674739
27. Gagnon A, Waghorn K, Covell C. A randomized trial of one-to-one nurse support of women in labor. Birth 1997;24(2):71-7. 2674738
28. Edwards C, Thullen J, Korfmacher J, Lantos D, Henson G, Hans L. Breastfeeding and complementary food: randomized trial of community doula home visiting. Pediatrics 2013;132(Suppl 2):S160-6. 6207404
29. Hans SL, Thullen M, Henson LG, Lee H, Edwards RC, Bernstein VJ. Promoting positive mother-infant relationships: a randomized trial of community doula support for young mothers. Infant Mental Health Journal 2013;34(5):446-57. 6207405
30. Hemminki E, Virta AL, Koponen P, Malin M, Kojo-Austin H, Tuimala R. A trial on continuous human support during labor: feasibility, interventions and mothers' satisfaction. Journal of Psychosomatic Obstetrics and Gynaecology 1990;11(4):239-50. 2674741
31. Hemminki E, Virta AL, Koponen P, Malin M, Kojo-Austin H, Tuimala R. A trial on continuous human support during labor: feasibility, interventions and mothers' satisfaction. Journal of Psychosomatic Obstetrics and Gynaecology 1990;11(4):239-50. 2674743
32. Hodnett ED, Osborn RW. A randomized trial of the effects of monitrice support during labor: mothers' views two to four weeks postpartum. Birth 1989;16(4):177-83. 2674745
33. Hodnett ED, Osborn RW. Effects of continuous intrapartum professional support on childbirth outcomes. Research in Nursing and Health 1989;12(5):289-97. 2674746
34. Hodnett ED, Lowe NK, Hannah ME, Willan AR, Stevens B, Weston JA, et al. Effectiveness of nurses as providers of birth labor support in North American hospitals. A randomized controlled trial. JAMA 2002;288(11):1373-81. 2674748
35. Muir HA, Hodnett ED, Hannah ME, Lowe NK, Willan AR, Stevens B, et al. The influence of continuous labor support on the choice of analgesia, ambulation and obstetric outcome. Anesthesiology 2002;96(Suppl 1):P44. 2674749
36. Chalmers B, Wolman WL, Hofmeyr GJ, Nikodem C. Companionship in labour and the mother-infant relationship: preliminary report of a randomised trial. Proceedings of the 9th Conference on Priorities in Perinatal Care; 1990 March; Johannesburg, South Africa. 1990:139-41. 2674751
37. Chalmers B, Wolman WL, Hofmeyr GJ, Nikodem C. Companionship in labour: effect on the mother-infant relationship. Proceedings of the International Conference on Primary Care Obstetrics and Perinatal Health; 1991; Utrecht, The Netherlands. 1991:50. 2674752
38. Gulmezoglu AM, Chalmers BE, Nikodem VC, Wolman WL, Hofmeyr GJ. Companionship in labour: do the personality characteristics of labour supporters influence effectiveness?. Proceedings of the 11th Conference on Priorities in Perinatal Care in South Africa; 1992 March; Caledon, South Africa. 1992:115-6. 2674753
39. Hofmeyr GJ, Nikodem C, Gulmezoglu M, Wolman WL. Companionship to modify the clinical birth environment: long-term effects on mother and child. Proceedings of the 11th Conference on Priorities in Perinatal Care in South Africa; 1992 March; Caledon, South Africa. 1992:113-4. 2674754
40. Hofmeyr GJ, Nikodem C, Gulmezoglu M, Wolman WL. Companionship to modify the clinical birth environment: long-term effects on mother and child. Proceedings of the 26th British Congress of Obstetrics and Gynaecology; 1992 July 7-10; Manchester, UK. 1992:34. 2674755
41. Hofmeyr GJ, Nikodem VC, Chalmers BE, Kramer T. Clinically orientated care during labour reduces the chance of successful breastfeeding. Proceedings of the 10th Conference on Priorities in Perinatal Care in South Africa; 1991 March 12-15; Eastern Transvaal, South Africa. 1991:107-9. 2674756
42. Hofmeyr GJ, Nikodem VC, Mahomed K, Gulmezoglu AM, Lawson M, Van Der Walt LA, et al. Companionship to modify the clinical birth environment: no measurable effect on stress hormone levels. Journal of Obstetrics and Gynaecology 1995;15(3):178-81. 2674757
43. Hofmeyr GJ, Nikodem VC, Wolman WL, Chalmers BE, Kramer T. Companionship to modify the clinical birth environment: effects on progress and perceptions of labour, and breastfeeding. British Journal of Obstetrics and Gynaecology 1991;98(8):756-64. 2674758
44. Nikodem VC, Nolte AG, Wolman W, Gulmezoglu AM, Hofmeyr GJ. Companionship by a lay labour supporter to modify the clinical birth environment: long-term effects on mother and child. Curationis 1998;21(1):8-12. 2674759
45. Trotter C, Wolman WL, Hofmeyr J, Nikodem C, Turton R. The effect of social support during labour on postpartum depression. South African Journal of Psychology 1992;22(3):134-9. 2674760
46. Wolman WL, Chalmers B, Hofmeyr J, Nikodem VC. Postpartum depression and companionship in the clinical birth environment: a randomized, controlled study. American Journal of Obstetrics and Gynecology 1993;168(5):1388-93. 2674761
47. Isbir GG, Serçekuş P. The effects of intrapartum supportive care on fear of delivery and labor outcomes: a single-blind randomized controlled trial. Journal of Nursing Research 2015 December 31 [epub ahead of print]. [DOI: 10.1097/jnr.0000000000000129]6207407
48. Kashanian M, Javadi F, Haghighi MM. Effect of continuous support during labor on duration of labor and rate of cesarean delivery. International Journal of Gynaecology and Obstetrics 2010;109(3):198-200. 2674763
49. Kashanian M, Javadi F, Haghighi MM. Evaluation of how continuous support during labour affects the duration of labour and rate of caesarean delivery. Annals of the Academy of Medicine Singapore 2012;41(9 Suppl 1):S90. 6207408
50. Kennell J, Klaus M, McGrath S, Robertson S, Hinkley C. Continuous emotional support during labor in a US hospital. JAMA 1991;265(17):2197-201. 2674765
51. Kennell J, Klaus M, McGrath S, Robertson S, Hinkley C. Medical intervention: the effect of social support during labour. Proceedings of Annual Meeting of the American Pediatric Society/Society for Pediatric Research; 1988 May; USA. 1988. 2674766
52. Kennell J, McGrath S, Klaus M, Robertson S, Hinkley C. Labor support: what's good for the mother is good for the baby. Pediatric Research 1989;25:15A. 2674767
53. Martin S, Landry S, Stellman L, Kennell J, McGrath S. The effect of doula support during labor on mother-infant interaction at 2 months. Infant Behaviour and Development 1998;21(Suppl 1):556. 2674768
54. Klaus MH, Kennell JH, Robertson SS, Sosa R. Effects of social support during parturition on maternal and infant morbidity. British Medical Journal (Clinical Research Ed.) 1986;293(6547):585-7. 2674770
55. Campero L, García C, Díaz C, Ortiz O, Reynoso S, Langer A. "Alone, I wouldn't have known what to do": a qualitative study on social support during labor and delivery in Mexico. Social Science & Medicine 1998;47(3):395-403. 2674772
56. Langer A, Campero L, García C, Reynoso S. Effects of psychosocial support during labour and childbirth on breastfeeding, medical interventions, and mothers' wellbeing in a Mexican public hospital: a randomised clinical trial. British Journal of Obstetrics and Gynaecology 1998;105(10):1056-63. 2674773
57. Madi BC, Sandall J, Bennett R, MacLeod C. Effects of female relative support in labor: a randomized controlled trial. Birth 1999;26(1):4-8. 2674775
58. McGrath SK, Kennell JH. A randomized controlled trial of continuous labor support for middle-class couples: effect on cesarean delivery rates. Birth 2008;35(2):92-7. 2674777
59. ACTRN12609000994280. Assessment of the effect of social support in labour: a randomised controlled trial [Assessment of the effect of psycho-social support in labour on caesarean section rate: a randomised controlled trial]. anzctr.org.au/Trial/Registration/TrialReview.aspx?ACTRN=12609000994280 (first received 17 November 2009). 6207409
60. Morhason-Bello IO, Adedokun BO, Ojengbede OA. Social support during childbirth as a catalyst for early breastfeeding initiation for first-time Nigerian mothers. International Breastfeeding Journal 2009;4:16. 2674780
61. Morhason-Bello IO, Adedokun BO, Ojengbede OA, Olayemi O, Oladokun A, Fabamwo AO. Assessment of the effect of psychosocial support during childbirth in Ibadan, south-west Nigeria: a randomised controlled trial. Australian and New Zealand Journal of Obstetrics and Gynaecology 2009;49(2):145-50. 2674779
62. Ojengbede O, Morhason-Bello I, Adedokun B, Becker S, Oni G, Tsui A. Psycho-social support in labour, as a catalyst for contraceptive uptake in Nigeria: preliminary analysis of a randomised controlled trial. International Journal of Gynaecology and Obstetrics 2009;107(Suppl 2):S623-4. 2674781
63. IRCT201111156242N2. The effect of doula supporting on the severity of pain and duration of active phase of labor in primiparous women. en.search.irct.ir/view/7818 (first received 13 March 2012). 6207410
64. Safarzadeh A, Beigi M, Salehian T, Khojasteh F, Burayri T, Dokht Navabirigi S, et al. Effect of doula support on labour pain and outcomes in primiparous women in Zahedan, southeastern Iran: a randomized controlled trial. Journal of Pain & Relief 2012;1:5. [DOI: 10.4172/2167-0846.1000112]2674847
65. Safarzadeh A, Beigi M, Salehian T, Khojasteh F, Rigi SN, Buryri T, et al. Effect of doula support on labour pain and outcomes in primiparous women in Zahedan, southeastern Iran: a randomized controlled trial. Evidence Live Evidence Live; 2013 March 25-26; Oxford, UK. Oxford UK, 2013. 6207411
66. Thomassen P, Lundwall M, Wiger E, Wollin L, Uvnäs-Moberg K. Doula - a new concept in obstetrics [Doula - ett nytt begrepp inom forlossningsvarden]. Lakartidningen 2003;100(51-2):4268-71. 2674783
67. Kopplin E, Torres-Pereyra J, Peña V, Salinas R. Impact of psychosocial supports during childbirth: the decrease of caesarean and bonuses of the process. Pediatric Research 2000;47:834. 2674785
68. Torres J, Kopplin E, Peña V, Klaus M, Salinas R, Herrera M. Impact of emotional support during labour in the decrease of caesarean sections and satisfaction with the process [Impacto del apoyo emocional durante el parto en la disminucion de cesareas y gratificacion del proceso]. Revista Chilena de Obstetricia y Ginecologia 1999;64(5):405-12. 2674786
69. Yuenyong S, O'Brien B, Jirapeet V. Effects of labor support from close female relative on labor and maternal satisfaction in a Thai setting. Journal of Obstetric, Gynecologic, and Neonatal Nursing 2012;41(1):45-56. 2674788
70. Bender B. A test of the effects of nursing support on mothers in labor. ANA Regional Clinical Conferences 1967 Philadelphia/Kansas City. New York: Appleton-Century-Crofts, 1968:171-9. 2674790
71. Bochain SS. Induced Labor Intervention for Self-efficacy: a Nursing Intervention for Women Prone to an Unpredictable Labor Pattern [PhD thesis]. Kingston, Rhode Island: University of Rhode Island, 2000. 2674792
72. Brown H, Hofmeyr GJ, Nikodem VC, Smith H, Garner P. Promoting childbirth companions in South Africa: a randomised pilot study. BMC Medicine 2007;5:7. 2674794
73. Dalal R, Rathnakumar S. Birth companion and mother - a preliminary report. 49th All India Congress of Obstetrics and Gynaecology; 2006 Jan 6-9; Kerala State, India. 2006:140. 2674796
74. Dong X, Qi H, Hu L, Luo X, Zhu Y, Cai J. The effects of air sac combined with nitrous oxide and Doula accompanying delivery in vaginal delivery. International Journal of Gynaecology and Obstetrics 2009;107:S158-9. 2674831
75. Gordon NP, Walton D, McAdam E, Derman J, Gallitero G, Garrett L. Effects of providing hospital-based doulas in health maintenance organization hospitals. Obstetrics and Gynecology 1999;93(3):422-6. 2674798
76. Hemminki E, Virta AL, Koponen P, Malin M, Kojo-Austin H, Tuimala R. A trial on continuous human support during labor: feasibility, interventions and mothers' satisfaction. Journal of Psychosomatic Obstetrics and Gynaecology 1990;11(4):239-50. 2674800
77. ISRCTN33728802. Labour support and evidence based medicine: a randomised controlled trial of implementation. isrctn.com/ISRCTN33728802 (first received 5 July 2006). 6207413
78. Lindow SW, Hendricks MW, Thompson JW, van der Spuy ZM. The effect of emotional support on maternal oxytocin levels in labouring women. European Journal of Obstetrics, Gynecology, and Reproductive Biology 1998;79(2):127-9. 2674802
79. Manning-Orenstein G. A birth intervention: the therapeutic effects of doula support versus Lamaze preparation on first-time mothers' working models of caregiving. Alternative Therapies in Health and Medicine 1998;4(4):73-81. 2674806
80. Orbach-Zinger S, Ginosar Y, Sverdlik J, Treitel C, Mackersey K, Bardin R, et al. Partner's presence during initiation of epidural labor analgesia does not decrease maternal stress: a prospective randomized controlled trial. Anesthesia and Analgesia 2012;114(3):654-60. 2674841
81. Ran KQ, He AM, Han QR, Tang ZL, Lei FH. Comfortable nursing and the mental state in parturient women. Chinese Journal of Clinical Rehabilitation 2005;9(32):62-3. 2674810
82. Riley L, Hutchings Y, Lieberman E. The effect of doula support on epidural use among nulliparous women in tertiary care centers. American Journal of Obstetrics and Gynecology 2012;206(Suppl 1):S70-1. 2674845
83. Scott KD, Klaus PH, Klaus MH. The obstetrical and postpartum benefits of continuous support during childbirth. Journal of Women's Health & Gender-Based Medicine 1999;8(10):1257-64. 2674812
84. Senanayake HM, Somawardana UABP, Samarasinghe M. Effect of a female labour companion and of educating her regarding support during labour on perinatal and labour outcomes. Sri Lanka Journal of Obstetrics and Gynaecology 2013;35(4):112-5. 6207415
85. Sosa R, Kennell J, Klaus M, Urrutia J. The effect of a supportive woman on mothering behavior and the duration and complications of labor. Pediatric Research 1979;13:338. 2674814
86. Sosa R, Kennell JH, Klaus MH, Robertson S, Urrutia J. The effect of a supportive companion on perinatal problems, length of labor, and mother-infant interaction. New England Journal of Medicine 1980;303:597-600. 2674815
87. Trueba G, Contreras C, Velazco MT, Lara EG, Martinez HB. Alternative strategy to decrease cesarean section: support by doulas during labor. Journal of Perinatal Education 2000;9(2):8-13. 2674817
88. Tryon PA. Use of comfort measures as support during labor. Nursing Research 1966;15(2):109-18. 2674819
89. U1111-1175-8408. RBR-776d9s Effects of an educational manual on the support provided by companion during delivery [Efeitos de um manual educativo no apoio prestado por acompanhantes durante o parto]. ensaiosclinicos.gov.br/rg/RBR-776d9s (first received 26 October 2015). 6207417
90. Wan H, Hu S, Thobaben M, Hou Y, Yin T. Continuous primary nursing care increases satisfaction with nursing care and reduces postpartum problems for hospitalized pregnant women. Contemporary Nurse 2011;37(2):149-59. 2674861
91. Zhang CL, Yu ZJ, Feng AH. Study of psychological nursing to ease pain during labour. Chinese Journal of Nursing 1996;31(6):311-3. 2674821
92. Aghdam SK, Kazemzadeh F, Nikjoo R. The effect of the doula support during labor on delivery length in primigravida women. Iranian Journal of Obstetrics, Gynecology and Infertility 2015;18(150):8-13. 2674823
93. Bakhshi M, Kordi M, Esmaeeli H. The effect of continuous support during labor on the onset of lactogenesis stage II in primiparas. Journal of Mazandaran University of Medical Sciences 2015;25(130):153-8. 2674827
94. Farahani SHM, Malekzadegan A, Mohammadi R, Hosseini F. Effect of the one to one midwifery care during labor on modes of delivery. Iran Journal of Nursing 2005;18(43):71-82. 6207419
95. Huang XH, Xiang XY, Shen RG, Shang Q, Zhu LP, Qian X, et al. Study on intrapartum service model during normal labor. Chung-Hua Fu Chan Ko Tsa Chih [Chinese Journal of Obstetrics and Gynecology] 2003;38(7):385-7. 2674835
96. IRCT2013111710297N3. Effect of the presence of support person and routine intervention for women during childbirth in Isfahan, Iran: A randomized controlled trial. en.search.irct.ir/view/15847 (first received 25 November 2013). 6207421
97. McGrath S, Kennell J, Suresh M, Moise K, Hinkley C. Doula support vs epidural analgesia: impact on cesarean rates. Pediatric Research 1999; Vol. 45, issue 4:16A. 2674804
98. NCT00664118. Doula combined latent phrase epidural analgesia in primiparous women (DCLEAP). clinicaltrials.gov/ct2/show/NCT00664118 (first received 18 April 2008). 2674859
99. Pinheiro RT, Sousa PLR, Horta B, de Souza RM, de Sousa MGR, de Sousa FR. Male and female young doulas - effective on labour? [abstract]. Xth World Congress of Psychiatry; 1996 August 23-28; Madrid, Spain. 1996. 2674808
100. Rahimiyan MN, Rahnavard T, Lari MZ. Effect of the one to one midwifery care during labor on modes of delivery and duration of labor and increase satisfaction with childbirth. Biosciences Biotechnology Research Asia 2015; Vol. 12. 6207423
101. Samieizadeh T, Sereshti M, Dashipur A R, Mohammadinia N, Arzani A. The effect of supportive companionship on length of labor and desire to breastfeed in primiparous women. Journal of Urmia Nursing and Midwifery Faculty 2011;9(4):1-9. 2674851
102. IRCT201112106827N2. The influence of doula on the parturient anxiety in delivery ward, 2011. en.search.irct.ir/view/8079 (first received 17 January 2012). 6207424
103. Sangestani G, Khatiban M, Pourolajal J, Oshvandi K. Influence of doula on the primiparous parturients' anxiety in the delivery ward. Hayat 2013;19(4):48-60. 2674853
104. Shahshahan Z, Mehrabian F, Mashoori S. Effect of the presence of support person and routine intervention for women during childbirth in Isfahan, Iran: A randomized controlled trial. Advanced Biomedical Research 2014;3:155, 1-9. 2674857
105. IRCT2015083123837N1. Studying the impacts of the combination of effective methods compared with doula on reducing anxiety and pain of mothers in childbirth in the Jam Tohid Hospital in 2015. en.search.irct.ir/view/25405 (first received 26 October 2015). 2674843
106. NCT01216098. Impact of doula support on intrapartum outcomes for women undergoing a vaginal birth after cesarean (vbac). clinicaltrials.gov/ct2/show/NCT01216098 (first received 5 October 2010). 2674863
107. NCT01947244. Illinois maternal, infant, and early childhood home visiting (miechv): doula randomized controlled trial. clinicaltrials.gov/show/NCT01947244 (first received 13 September 2013). 6207426
108. NCT02550730. Birth sisters best beginnings evaluation. clinicaltrials.gov/ct2/show/record/NCT02550730 (first received 23 June 2015). 6207428
109. American College of Obstetricians and Gynecologists and Society for Maternal-Fetal Medicine. Safe prevention of the primary cesarean delivery. www.acog.org/Resources-And-Publications/Obstetric-Care-Consensus-Series/Safe-Prevention-of-the-Primary-Cesarean-Delivery (accessed 20 June 2017).
110. American College of Obstetricians and Gynecologists, Committee on Obstetric Practice. Approaches to limit intervention during labor and birth; Committee Opinion Number 687. www.acog.org/Resources-And-Publications/Committee-Opinions/Committee-on-Obstetric-Practice/Approaches-to-Limit-Intervention-During-Labor-and-Birth (accessed 20 June 2017).
111. Anim-Somuah M, Smyth RMD, Jones L. Epidural versus non-epidural or no analgesia in labour. Cochrane Database of Systematic Reviews 2011, Issue 12. [DOI: 10.1002/14651858.CD000331.pub3]
112. Avan B, Richter LM, Ramchandani PG, Norris SA, Stein A. Maternal postnatal depression and children's growth and behaviour during the early years of life: exploring the interaction between physical and mental health. Archives of Disease in Childhood 2010;95(9):690-5.
113. Association of Women's Health, Obstetric, Neonatal Nurses. Professional nursing support of laboring women. www.awhonn.org (accessed 2002).
114. Bohren MA, Vogel JP, Hunter EC, Lutsiv O, Makh SK, Souza JP, et al. The mistreatment of women during childbirth in health facilities globally: a mixed-methods systematic review. PLOS Medicine 2015;12(6):1-32.
115. Bohren MA, Munthe-Kaas H, Berger BO, Allanson EE, Tuncalp O. Perceptions and experiences of labour companionship: a qualitative evidence synthesis. Cochrane Database of Systematic Reviews 2016, Issue 12. [DOI: 10.1002/14651858.CD012449]
116. Buckley SJ. Hormonal Physiology of Childbearing: Evidence and Implications for Women, Babies, and Maternity Care. www.nationalpartnership.org/research-library/maternal-health/hormonal-physiology-of-childbearing.pdf (accessed prior to 17 June 2017).
117. Caton D, Corry MP, Frigoletto FD, Hopkins DP, Lieberman E, Mayberry L, et al. The nature and management of labor pain: executive summary. American Journal of Obstetrics and Gynecology 2002;186(5):S1-15.
118. Declercq ER, Sakala C, Corry MP, Applebaum S, Herrlich A. Listening to Mothers III: Pregnancy and Birth. Report of the Third National U.S. Survey of Women's Childbearing Experiences. transform.childbirthconnection.org/wp-content/uploads/2013/06/LTM-III_Pregnancy-and-Birth.pdf (accessed prior to 17 June 2017).
119. Higgins JPT, Green S, editors. Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [updated March 2011]. The Cochrane Collaboration, 2011. Available from www.cochrane-handbook.org.
120. Hodnett E. Are nurses effective providers of labor support? Should they be? Can they be?. Birth 1997;24(2):78-80.
121. Hodnett ED. Pain and women's satisfaction with the experience of childbirth: a systematic review. American Journal of Obstetrics and Gynecology 2002;186(5):S160-72.
122. Kabakian-Khasholian T, El-Nemer A, Bashour H. Perceptions about labour companionship at public teaching hospitals in three Arab countries. International Journal of Gynaecol and Obstetrics 2015;129(3):223-6.
123. Klaus MH, Kennell JH, Klaus PH. The doula book: how a trained labor companion can help you have a shorter, easier and healthier birth. 2nd Edition. Cambridge, MA: Perseus Books, 2002.
124. Lederman RP, Lederman E, Work BA, Jr, McCann DS. The relationship of maternal anxiety, plasma catecholamines, and plasma cortisol to progress in labor. American Journal of Obstetrics and Gynecology 1978;132(5):495-500.
125. Lederman E, Lederman RP, Work BA Jr, McCann DS. Maternal psychological and physiologic correlates of fetal-newborn health status. American Journal of Obstetrics and Gynecology 1981;139(8):956-8.
126. Lee L, Dy J, Azzam H [Society of Obstetricians and Gynaecologists of Canada Clinical Practice Guideline No. 336]. Management of spontaneous labour at term in healthy women. JOGC: Journal of Obstetrics and Gynaecology Canada 2016;38(9):843-65.
127. MIDIRS. Support in labour: informed choice for women leaflet. Midwives Information and Resource Service. Bristol, England, 2008.
128. National Collaborating Centre for Women's and Children's Health. Section 4.3. Support in labour. Intrapartum Care: Care of Healthy Women and Their Babies During Childbirth. London, UK: RCOG Press, September 2007:73-5.
129. Pascali-Bonaro D. Global labor support trends. Personal communication 5 June 2010.
130. The Nordic Cochrane Centre, The Cochrane Collaboration. Review Manager (RevMan). Version 5.3. Copenhagen: The Nordic Cochrane Centre, The Cochrane Collaboration, 2014.
131. Ryden MB. An adult version of the Coopersmith Self-Esteem Inventory: Test-retest reliability and social desirability. Psychological Reports 1978;43(3):1189-90.
132. Steel A, Frawley J, Adams J, Diezel H. Trained or professional doulas in the support and care of pregnant and birthing women: a critical integrative review. Health & Social Care in the Community 2015;23(3):225-41.
133. Tunçalp Ö, Were WM, MacLennan C, Oladapo OT, Gülmezoglu AM, Bahl R, et al. Quality of care for pregnant women and newborns - the WHO vision. British Journal of Obstetrics and Gynaecology 2015;122(8):1045-9.
134. World Bank. World Bank Country and Lending Groups: Historical classification by income. datahelpdesk.worldbank.org/knowledgebase/articles/906519-world-bank-country-and-lending-groups (accessed 13 March 2017).
135. World Health Organization. WHO recommendations for augmentation of labour. http://apps.who.int/iris/bitstream/10665/112825/1/9789241507363_eng.pdf 2014.
136. World Health Organization. Standards for improving quality of maternal and newborn care in health facilities. www.who.int/maternal_child_adolescent/documents/improving-maternal-newborn-care-quality/en/ (accessed prior to 17 June 2017).
137. WHO Reproductive Health Library. Labour companionship: every woman's choice. extranet.who.int/rhl/resources/videos/labour-companionship-every-womans-choice (accessed prior to 17 June 2017).
138. Zhang J, Bernasko JW, Leybovich E, Fahs M, Hatch MC. Continuous labor support from labor attendant for primiparous women: a meta-analysis. Obstetrics and Gynecology 1996;88(4 pt 2):739-44.
139. Hodnett ED, Gates S, Hofmeyr G J, Sakala. Continuous support for women during childbirth. Cochrane Database of Systematic Reviews 2003, Issue 3. [DOI: 10.1002/14651858.CD003766]
140. Hodnett ED, Gates S, Hofmeyr GJ, Sakala C. Continuous support for women during childbirthCochrane. Cochrane Database of Systematic Reviews 2007, Issue 3. [DOI: 10.1002/14651858.CD003766.pub2]
141. Hodnett ED, Gates S, Hofmeyr GJ, Sakala C, Weston J. Continuous support for women during childbirth. Cochrane Database of Systematic Reviews 2011, Issue 2. [DOI: 10.1002/14651858.CD003766.pub3]
142. Hodnett ED, Gates S, Hofmeyr GJ, Sakala C. Continuous support for women during childbirth. Cochrane Database of Systematic Reviews 2012, Issue 10. [DOI: 10.1002/14651858.CD003766.pub4]
143. Hodnett ED, Gates S, Hofmeyr GJ, Sakala C. Continuous support for women during childbirth. Cochrane Database of Systematic Reviews 2013, Issue 7. [DOI: 10.1002/14651858.CD003766.pub5]