MALE TO FEMALE RATIO IN NEWBORNS OF GRAND GRAND MULTIPAROUS WOMEN

Authors
ALMAGOR M SCHWED P YAFFE H
Citation
M. Almagor et al., MALE TO FEMALE RATIO IN NEWBORNS OF GRAND GRAND MULTIPAROUS WOMEN, Human reproduction (Oxford. Print), 13(8), 1998, pp. 2323-2324
Citations number
22
Categorie Soggetti
Reproductive Biology","Obsetric & Gynecology
Journal title
Human reproduction (Oxford. Print) → ACNP
ISSN journal
02681161
Volume
13
Issue
8
Year of publication
1998
Pages
2323 - 2324
Database
ISI
SICI code
0268-1161(1998)13:8<2323:MTFRIN>2.0.ZU;2-1
Abstract
The male to female ratio in newborns of grand grand multiparous women was evaluated in 569 Jewish Orthodox women and 28 Muslim women. A tota l of 882 babies was born on the greater than or equal to 10th delivery ; 460 (52.2%) were males and 422 (47.8%) were females (sex ratio = 1.0 6). Newborn sex ratio did not significantly change with respect to bir th order or maternal age. It is suggested that parity and increasing m aternal age do not affect the sex ratio of newborns and that ethnic an d environmental variables may play a role in the deviations in offspri ng sex ratio observed among different populations.