Sex Ratios at Birth Among Indian Immigrant Subgroups According to Time Spent in Canada
نویسندگان
چکیده
منابع مشابه
Sex Ratios at Birth in China
Fertility transition in China deviates from the classical model in two ways. First, fertility decline in China was extraordinarily rapid with low level of socio-economic development; second, the change has been from a high fertility regime to a low and sex-selective pattern of childbearing. The two processes are directly the result from China’s family planning program, which is the most stringe...
متن کاملSex 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 lacking. METHODS We examined 1 220 933 births to women with up to 3 consecutive singleton live births between 1993 and 2012 in Ontario. Records of live births, and induced and spontaneous abortions were linked to Canadian imm...
متن کاملExceptionally high sex ratios at birth among Mainland Chinese giving birth in Hong Kong SAR
Skewed sex ratios at birth [SRB] are a familiar feature of many Asian populations. China currently has the highest national SRB in the world, fluctuating around 120 males per hundred females. 1 As in India, there are substantial provincial differences in China, with areas with the strongest traditional culture seeing extremely high SRBs (e.g. over 130 in three provinces Shaanxi, Anhui, and Jian...
متن کاملDeclining sex ratios in Canada.
OBJECTIVE To examine the trends in the proportion of annual live births that were male in Canada and to compare the trends with those in the United States. DESIGN Analysis of census data. SETTING Canada as a whole and 4 main regions (West, Ontario, Quebec and Atlantic). SUBJECTS All live births from 1930 to 1990. OUTCOME MEASURES Sex ratio (expressed as the proportion of total live birt...
متن کاملEffects of mating sex ratios in Indian peafowl (Pavo cristatus) on production performance at Wildlife Research Institute, Faisalabad (Pakistan)
Effects of mating sex ratios on production performance in Indian peafowl were investigated at PunjabWildlife Research Institute, Gatwala Faisalabad. Research was conducted from May through August 2007 toexplore the most productive mating sex ratio. The sex ratios have a significant effect on egg production.Maximum mean eggs (1.63) were produced by the sex ratio 1:2 while maximum egg fertility (...
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ژورنال
عنوان ژورنال: Journal of Obstetrics and Gynaecology Canada
سال: 2017
ISSN: 1701-2163
DOI: 10.1016/j.jogc.2017.01.002