Ovulation is a normal part of the menstrual cycle. It happens when one of your ovaries releases an egg. This usually happens once a month. Knowing when you are ovulating can help if you are trying to get pregnant, or if you simply want to understand your body better. Every woman is different, but there are some common signs that can help you tell when ovulation is happening. When Does Ovulation Usually Happen? Ovulation usually happens about 14 days before your next period starts . If you have a 28-day cycle, ovulation often happens around day 14. If your cycle is longer or shorter, ovulation will happen at a different time. Your cycle starts on the first day of your period and ends the day before your next period. Changes in Cervical Mucus One of the clearest signs of ovulation is a change in vaginal discharge, also called cervical mucus. Before ovulation, discharge may be dry or sticky. As ovulation gets closer, it often becomes clear, wet, and stretchy , a bit like raw egg wh...