The Human
When does a woman normally ovulate?
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14 days before menstruation
Explanation
Ovulation is the process by which a mature ovarian follicle ruptures and discharges one or more ova (eggs). A woman's ovulation is controlled by the hypothalamus of the brain. If the egg is released and is not fertilised, menstruation starts some 14 days later. During ovulation, a woman's temperature rises around 0.5 degrees. Because females are at their most fertile during ovulation, many species change characters in this period to allow them to find mates. Some say this is also true for humans.
Statistics
50% correct 28 correct · 28 incorrect
Question added 2008-12-26