Ovulation occurs for most women 11 to 21 days after the first day of menstruation, according to the American Pregnancy Association. This is based on a woman with a menstrual cycle of 28 to 31 days. Ovulation is when an e... More »

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According to Negative Pregnancy Test, a urine pregnancy test can be taken 10 to 12 days after ovulation. WebMD notes that a blood pregnancy test can be taken as early as 6 to 8 days after ovulation. More »

Per WebMD, ovulation cramping lasts approximately 24 hours and is treated with over-the-counter pain medications if needed. Ovulation cramping is also referred to as mittelschmerz and occurs at the start of ovulation, ap... More »

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Fertile cervical mucus, which occurs just before ovulation, typically lasts between three and four days, according to the Mayo Clinic. Women that are trying to conceive can monitor their cervical mucus patterns to identi... More »

To calculate the date of conception, a woman with regular menstrual periods counts 11 to 21 days from the first day of her last cycle, according to the American Pregnancy Association. Since most women do not know the exa... More »

To estimate the date of conception, a woman counts 11 to 21 days from the first day of the last period, according to American Pregnancy Association. While this is a large range of days, it is an average of conception for... More »

Calculated conception dates are always an estimate, the American Pregnancy Association explains, and the presumed date of conception is generally between 11 and 21 days after the first day of the woman's last menstrual p... More »