Ovulation lasts 12 to 24 hours, during which an egg can be fertilized. The fertile window is six days long, including the day of ovulation and the five days before it. Understanding your cycle can ...

Ovulation is the release of a mature egg from your ovary. It usually happens once every menstrual cycle. Most cycles last about 28 to 30 days, with ovulation often occurring around the 14th day. Not ...