Use of dizygotic to monozygotic twinning ratio as a measure of fertility

Lancet

Volumn 349, Issue 9055, 1997, Pages 843-845

  Tong, Stephen ^a   Caddy, David ^a   Short, Roger V ^b  

^a MONASH UNIVERSITY   (Australia)

^b ROYAL WOMEN'S HOSPITAL   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CLOMIFENE CITRATE; FERTILITY PROMOTING AGENT;

ARTICLE; DEVELOPED COUNTRY; DIZYGOTIC TWINS; ENVIRONMENTAL FACTOR; FEMALE; FERTILITY; HONG KONG; HUMAN; MATERNAL AGE; MONOZYGOTIC TWINS; NORMAL HUMAN; OVULATION; PRIORITY JOURNAL; REGRESSION ANALYSIS; TWIN PREGNANCY;

EID: 0030932888     PISSN: 01406736     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0140-6736(96)10003-9     Document Type: Article

References (19)

1. Carlsen E, Giwercman A, Keiding N, Skakkebaek NE. Evidence for decreasing quality of semen during past 50 years. BMJ 1992; 305: 609-13.
2. Auger J, Kunstmann JM, Czyglik F, Jouannet P. Decline in semen quality among fertile men in Paris during the past 20 years. N Engl J Med 1995; 332: 281-85.
3. Irvine S, Cawood E, Richardson D, MacDonald E, Aitken J. Evidence of deteriorating sperm quality in the United Kingdom: birth cohort study in 577 men in Scotland over 11 years. BMJ 1996; 312: 467-71.
4. Pajarinen J, Laippala P, Penttila A, Karhunen PJ. Incidence of disorders of spermatogenesis in middle aged Finnish men, 1981-1991: two necropsy series. BMJ 1997; 314: 13-18.
5. James WH. Second survey of secular trends in twinning rates. J Biosoc Sci 1982; 14: 481-97.
6. Bulmer MG. The biology of twinning in man. Oxford: Clarendon Press, 1970.
7. Lichenstein P, Plausson PO, Bengt Kallen AJ. Twin births to mothers who are twins: a registry based study. BMJ 1996; 312: 879-81.
8. Bland M. An introduction to medical statistics. Oxford: Oxford Medical Publications, 1992.
9. Short RV. Testis size, ovulation rate, and breast cancer. In: Ryder OA, Byrd ML, eds. One medicine. Berlin: Springer-Verlag, 1984.
10. Imaizumi Y. Twinning rates in Japan, 1951-1990. Acta Genet Med Gemellol 1992; 41: 165-75.
11. Chen CJ, Lin TM, Chang YJ. Epidemiological characteristics of twinning rate in Taiwan. Acta Genet Med Gemellol 1987; 36: 335-42.
12. Orelebeke JF, Eriksson AW, Boomsma DJ, Vlietnck R, Tas FJ, de Geus EC. Changes in the Dz unlike/like sex ratio in the Netherlands. Acta Genet Med Gemellol 1991; 40: 319-23.
13. Parazzini F, Restelli S, Moroni S, Crosignani PG. Trend in legitimate and illegitimate multiple births. Hum Reprod 1994; 9: 1784-85.
14. James WH. Are 'natural' twinning rates continuing to decline? Hum Reprod 1995; 10: 3042-44.
15. Derom C, Derom R, Vlietinck R, Maes H, Van den Berghe H. Iatrogenic multiple pregnancies in East Flanders, Belgium. Fertil Steril 1993; 60: 493-96.
16. Coborn T, Dumanoski D, Peterson Myers J. Our stolen future. London: Little Brown, 1996.
17. World Bank World Development Report 1993. Investing in health. Washington DC, World Bank: 1993.
18. Wood JW. Fecundity and natural fertility in humans. In: Milligan SR, ed. Oxford reviews of reproductive biology, vol 11. Oxford: Oxford University Press, 1989: 61-109.
19. Chang KSF, Hsu FK, Chan ST, Chan YB. Scrotal asymmetry and handedness. J Anat 1960; 94: 543-48.