Aug 13, - If you want a baby girl, don't have sex too close to ovulation. So goes a common belief, which asserts that sperm with Y chromosomes—those.
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BMJ. Mar 24;() Sex differences in speed of emergence and quality of recovery after anaesthesia: cohort study. Myles PS(1), McLeod AD.
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Nature. Dec 12;() Sex releases the speed limit on evolution. Colegrave N(1). Author information: (1)Institute of Cell, Animal and Population.