How to Calculate Ovulation * A woman generally ovulates between 11 and 21 days after her last menstrual cycle. Women with a 28-day cycle generally, on average, ovulate on day 14. But every woman is different and other factors can come into play to alter when and whether she ovulates. For some women, calculating ovulating periods can be tricky. Using methods such as evaluating cervical mucus, reading basal body temperature and keeping track of menstrual cycles can help with the calculations. A woman should get to know her body; this will be the most telling sign in knowing when ovulation occurs. If in doubt, an ovulation kit can help clarify when ovulation occurs.
Ovulation Misconceptions * Many misconceptions surround ovulation. First, not all women ovulate on day 14 of their cycle. Another myth is that keeping up with ovulation is an effective birth control method. Although an egg can live for only 24 hours, sperm can live inside a woman for five to seven days. So even if a woman thinks it is safe to have unprotected sex a couple of days before she ovulates, the sperm can still fertilize the egg days after intercourse. For women who have irregular periods, it is not accurate to count from