Ovulation is when a mature egg is released from the ovary during the menstrual cycle. Learn how to track ovulation , what symptoms to look for, and how it affects your fertility and pregnancy chances. Ovulation happens when an egg is released from the ovary and travels down the fallopian tube to prepare for possible fertilization. Ovulation is when one of your ovaries releases an egg, which may or may not be fertilized by a sperm. Learn about the signs and symptoms of ovulation , such as changes in cervical mucus, temperature, cervix, and more. Ovulation is when a mature egg is released from your ovary into your fallopian tube. Learn about the hormonal changes, symptoms, and factors that affect ovulation , and how to track it with Clue app.