Menstruation

Reports on menstruation findings from L. Hernandezlopez and co-researchers provide new insights

Published in Women's Health Weekly, December 25th, 2008

According to a study from Mexico, "In addition to gametes, mammalian internal fertilisation has required the evolution of assorted anatomical, physiological and biochemical devices to deal with intra- and inter-sexual conflict such as sperm competition and female cryptic choice respectively. The seminal coagulum of primates and other mammals is viewed as one of such devices."

"Among primates, the seminal coagulum characteristically occurs in multi-male and multi-female species, leading us to suppose that it intervenes in sperm competition. However, it can also provide cues to the female reproductive tract about male desired or undesired traits, and therefore deter or...

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Source: Women's Health Weekly (2008-12-25)

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