The combination of estrogen and progesterone levels will stop any other ovulation from occurring. (intelligentmother.com)
Often, doctors will first recommend hormonal suppression — usually in the form of birth control pills — to prevent fluctuations in estrogen and progesterone levels throughout the month. (health.com)
After you give birth, your key sex hormones estrogen and progesterone drop dramatically to menopause - like levels. (nicolejardim.com)