Take the Quiz

Which hormone surges right before ovulation?

How long does ovulation typically last?

What is the primary role of progesterone during the menstrual cycle?

What triggers the shedding of the uterine lining during menstruation?

Which phase of the menstrual cycle begins on the first day of menstruation?

What is the average length of a menstrual cycle?

During which phase does the uterine lining thicken in preparation for implantation?

What marks the end of the menstrual cycle if fertilization does not occur?

What is the main function of the corpus luteum?

Which structure releases an egg during ovulation?