Secular trends and latitude gradients in sex ratio at birth in Asia during the past 60 years

Pediatrics International

Volumn 55, Issue 2, 2013, Pages 219-222

  Grech, Victor ^a  

^a MATER DEI HOSPITAL   (Malta)

Author keywords

Asia; birth rate; infant; newborn; sex ratio; Southeastern Far East; trends

Indexed keywords

ARTICLE; ASIA; EUROPE; GROWTH; HUMAN; HYPOTHESIS; INCIDENCE; LATITUDE; LIVE BIRTH; NORTH AMERICA; PRIORITY JOURNAL; SEX RATIO; TREND STUDY; WORLD HEALTH ORGANIZATION;

ASIA; BIRTH RATE; FEMALE; FORECASTING; HUMANS; INFANT, NEWBORN; MALE; SEX RATIO;

EID: 84876518184     PISSN: 13288067     EISSN: 1442200X     Source Type: Journal    
DOI: 10.1111/ped.12063     Document Type: Article

References (18)

1. James WH,. The human sex ratio. Part 1: A review of the literature. Hum. Biol. 1987; 59: 721-752.
2. James WH,. Evidence that mammalian sex ratios at birth are partially controlled by parental hormone levels around the time of conception. J. Endocrinol. 2008; 198: 3-15.
3. Davis DL, Gottlieb MB, Stampnitzky JR,. Reduced ratio of male to female births in several industrial countries: A sentinel health indicator? JAMA 1998; 279: 1018-1023.
4. Grech V, Vassallo-Agius P, Savona-Ventura C,. Declining male births with increasing geographical latitude in Europe. J. Epidemiol. Community Health 2000; 54: 244-246.
5. Grech V, Savona-Ventura C, Vassallo-Agius P,. Unexplained differences in the sex ratio at birth in Europe and North America. Br. Med. J. 2002; 324: 1010-1011.
6. Grech V, Vassallo-Agius P, Savona-Ventura C,. Secular trends in sex ratios at birth in North America and Europe over the second half of the 20th century. J. Epidemiol. Community Health 2003; 57: 612-615.
7. Fleiss JL,. Statistical Methods for Rates and Proportions, 2nd edn. John Wiley and Sons, New York, 1981; 14-15.
8. Navara KJ,. Humans at tropical latitudes produce more females. Biol. Lett. 2009; 5: 524-527.
9. Fellman J, Eriksson AW,. Temporal trends in the secondary sex ratio in Nordic countries. Biodemography. Soc. Biol. 2011; 57: 143-154.
10. Zorn B, Sucur V, Stare J, Meden-Vrtovec H,. Decline in sex ratio at birth after 10-day war in Slovenia: Brief communication. Hum. Reprod. 2002; 17: 3173-3177.
11. Fukuda M, Fukuda K, Shimizu T, Møller H,. Decline in sex ratio at birth after Kobe earthquake. Hum. Reprod. 1998; 13: 2321-2322.
12. Lyster WR,. Altered sex ratio after the London smog of 1952 and the Brisbane flood of 1965. J. Obstet. Gynaecol. Br. Commonw. 1974; 81: 626-631.
13. Byrne J, Warburton D,. Male excess among anatomically normal fetuses in spontaneous abortions. Am. J. Med. Genet. 1987; 26: 605-611.
14. Catalano RA,. Sex ratios in the two Germanies: A test of the economic stress hypothesis. Hum. Reprod. 2003; 18: 1972-1975.
15. Williams RJ, Gloster SP,. Human sex ratio as it relates to caloric availability. Soc. Biol. 1992; 39: 285-291.
16. Hawley AH,. Population composition. In:, Hauser PM, Duncan OD, (eds). The Study of Population: An Inventory and Appraisal. University of Chicago Press, Chicago, 1959; 76-105.
17. Visaria PM,. Sex ratio at birth in territories with a relatively complete registration. Eugen. Q. 1967; 14: 132-142.
18. James WH,. What stabilizes the sex ratio? Ann. Hum. Genet. 1995; 59 (Pt 2): 243-249.