Where does estrogen come from?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
The sex hormones estrogen and progesterone are produced by a ruptured egg follicle after it releases its ripe egg (ovulation).  This occurs through stimulation by luteinizing hormone (LH) and follicle-stimulating hormone (FSH) made by the pituitary gland.  Watch the animation to learn more about estrogen.

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