are you most fertile before or after period
Your Menstrual Cycle, Your Fertility. Learn how to find out when you're the most fertile based on your menstrual cycle. In general, a womanâs fertile window is the day of ovulation (usually 12 to 16 days before the menstrual period begins) and the five days preceding it. For the average woman that occurs somewhere between days 10 and 17. But the problem is that few women are average.