Brief communication: Birth month influences reproductive performance in contemporary women
نویسندگان
چکیده
منابع مشابه
Brief communication: birth month influences reproductive performance in contemporary women.
BACKGROUND Season of birth has been reported to affect later reproduction in samples of pre-modern women and contemporary men. METHODS To examine whether the effect of birth date is also valid in contemporary women, we investigated the association between birth month and measures of reproductive performance (number of live-born children, % childless individuals) in a representative sample of ...
متن کاملStrong association between birth month and reproductive performance of Vietnamese women.
Epidemiological studies on premodern and modern Western societies indicate that birth season may influence female reproduction. Nothing is known, however, about this effect in developing economies. Many of the latter are characterised by tropical climates with a rainy season associated with lower food availability and a greater prevalence of infectious diseases. We therefore predict that an ass...
متن کاملEffects of season of birth on reproduction in contemporary humans: brief communication.
BACKGROUND At high latitudes the external environment varies with season, and therefore the season of birth may contribute to the developmental processes during the perinatal period. METHODS We investigated the association between birth season and measures of reproductive performance (offspring count, percentage childless individuals) in a contemporary sample of women and men. RESULTS In th...
متن کاملMonth of birth related to fecundity and childlessness among contemporary women.
To determine the associations of fecundity and childlessness with month of conception and to find a causal mechanism for these associations, we reanalyzed some of our previous data according to the predictions of the seasonal optimal ripening oocyte (SOptRO) and seasonal preovulatory over-ripeness ovopathy (SPrOO) hypotheses. Prime and minor SOptRO months as well as high-risk, no-risk, and very...
متن کاملObesity and reproductive performance in women.
Obesity and overweight are not only problem of developed nations but also increasing problem in developing countries with health consequence. Studies have highlighted the link between obesity, infertility and adverse reproductive health outcome. Obesity contribute majorly to two most common medical risks in pregnancy: diabetes and hypertension. Is is associated with increasesd risk of large-for...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Human Reproduction
سال: 2004
ISSN: 1460-2350
DOI: 10.1093/humrep/deh247