Sex ratios among Canadian liveborn infants of mothers from different countries
Background: There has been much discussion about whether female feticide occurs in
certain immigrant groups in Canada. We examined data on live births in Ontario and …
certain immigrant groups in Canada. We examined data on live births in Ontario and …
Variations in male-female infant ratios among births to Canadian-and Indian-born mothers, 1990-2011: a population-based register study
Background: We assessed variations in the male-female infant ratios among births to
Canadian-born and Indian-born mothers according to year of birth, province and country of …
Canadian-born and Indian-born mothers according to year of birth, province and country of …
Sex ratios at birth after induced abortion
Background: Skewed male: female ratios at birth have been observed among certain
immigrant groups. Data on abortion practices that might help to explain these findings are …
immigrant groups. Data on abortion practices that might help to explain these findings are …
Distortions of sex ratios at birth in the United States; evidence for prenatal gender selection
JFX Egan, WA Campbell, A Chapman… - Prenatal …, 2011 - Wiley Online Library
Objective The normal male to female livebirth sex ratio ranges from 1.03 to 1.07. Higher
ratios in China, India and Korea reflect prenatal sex selection. We reviewed sex ratios for US …
ratios in China, India and Korea reflect prenatal sex selection. We reviewed sex ratios for US …
[HTML][HTML] Different sex ratios of children born to Indian and Pakistani immigrants in Norway
N Singh, AH Pripp, T Brekke… - BMC pregnancy and …, 2010 - Springer
Background A low female-to-male ratio has been observed in different Asian countries, but
this phenomenon has not been well studied among immigrants living in Western societies …
this phenomenon has not been well studied among immigrants living in Western societies …
[HTML][HTML] Sex ratio is remarkably constant
E Ein-Mor, D Mankuta, D Hochner-Celnikier… - Fertility and sterility, 2010 - Elsevier
OBJECTIVE: To study whether the sex of the offspring is related to increasing parental age,
gravidity, and parity, hypothesizing an altered male-to-female sex ratio with the advancing …
gravidity, and parity, hypothesizing an altered male-to-female sex ratio with the advancing …
Determinants of high sex ratio among newborns: a cohort study from rural Anhui province, China
Z Wu, K Viisainen, E Hemminki - Reproductive health matters, 2006 - Taylor & Francis
This study analysed the relative contributions of three possible determinants to the high sex
ratio among newborns in rural China–under-reporting of female births, abortions of female …
ratio among newborns in rural China–under-reporting of female births, abortions of female …
Male infants are at higher risk of neonatal mortality and severe morbidity
C Wong, V Schreiber, K Crawford… - Australian and New …, 2023 - Wiley Online Library
Background While a male infant is usually born with a higher birthweight than his female
counterpart, he is more at risk of variety of adverse perinatal outcomes. Indeed, throughout …
counterpart, he is more at risk of variety of adverse perinatal outcomes. Indeed, throughout …
Infant sex at birth and long‐term maternal mortality
Background Maternal adaptations may vary by foetal sex. Whether male infants influence
long‐term mortality in mothers remains uncertain. Objective The objective of the study was to …
long‐term mortality in mothers remains uncertain. Objective The objective of the study was to …
Sex ratio patterns according to Asian ethnicity in Québec, 1981–2004
Elevated ratios of male to female births are emerging in Asian countries due to selective
abortion of female foetuses. Little research has evaluated the possibility of sex selection …
abortion of female foetuses. Little research has evaluated the possibility of sex selection …
