Women's Health Weekly
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Women's Health
Biology of Reproduction highlights
May 8th, 2008
Mother has the final say. For young male offspring who suffer a dominant mother, a brother may be on the way to help bear the burden. And all because of follicular testosterone. A growing body of evidence suggests a maternal influence on sex determination: dominant human females conceive more sons. Grant et al., in an article on p. 812 of the May issue of Biology of Reproduction, find that the sex of bovine embryos positively correlates with pre-ovulatory follicular testosterone. How exposure of oocytes to follicular testosterone may influence the ability of a metaphase II egg to be preferentially inseminated by a Y-bearing sperm remains a mystery. What is known is that chronic stress...
Source: Women's Health Weekly (2008-05-08)
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