Can you defy the odds? Though the sex of a child seems random, it may all boil down to natural selection. A recent hypothesis believed that women are able to adjust their offspring’s sex based on their state of health. But based on the mating patterns of bighorn ewes, moms-to-be don’t seem to have much choice in the matter (without a helping hand from a fertility doctor, that is.) As biologist Peter Neuhaus states, “Evolution is very complex. To understand how it works, you need to take into account as many factors as possible that could influence reproduce potential.”
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