Sex and the preimplantation embryo: implications of sexual dimorphism in the preimplantation period for maternal programming of embryonic development The developmental program of the embryo displays a plasticity that can result in long-acting effects that extend into postnatal life. In mammals, adult phe...
The probability of ovulation peaked on day3 of the maximum swelling period. Nevertheless, the temporal relationship between maximum swelling and probability of ovulation varied from day 1 to day13 of the swelling period and three times ovulations fell outside the maximum swelling phase. The ...
In particular, a substantial increase in the dental caries rate in late middle-aged and elderly females leads one to speculate that females of that time period preferred sweet foods. 展开 关键词: dental caries/ sex difference/ age change/ Jomon period/ palaeoepidemiology ...
The objective was to examine sex differences in neonatal morbidity and care-seeking behavior for ill newborns. Girls were used as the reference group. Referral for care was higher during the early neonatal period (ENP: 0–7 days old) (50.7%) than the late neonatal period (LNP: 8–28 days...
Here we investigate whether this mortality pattern is mainly explained by period effects, cohort effects or both. This can provide clues for where to search for causes behind the changes in sex differential in mortality seen in many Western countries during the last decades. Methods Age-period-...
Therefore people areunable to get a good appreciation of music culture is some songs are very popular a shortperiod and consume a short period. These music videos always present sex attractionin to the social problem. Because this thing is love problems, divorcee ceases, sexualintolerance, young...
Results: A total of 228,064 episodes of CLAI were reported during the study period with a mean of 44 episodes per year per participant (median: 14). The great majority of CLAI episodes were with a regular partner (92.6%), most of them with HIV-negative regular partners (84.8%). ...
More extensive and synchronous atresia of growing oocytes may occur comparatively late in the larval period, giving the appearance of sex inversion. These cases are regarded as examples of abnormally retarded differentiation. Other presumptive male gonads are derived from gonads consisting predominantly of...
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laid down to the second sex. This language phenomenon reflects the sexist attitude that males are superior to females in human society. The phenomenon of male-female word order can be easily found in the Chinese language, such as 男女(man and woman), 子女(son and daughter),夫妻(husband and...