Progesterone resensitizes the body's cells to estrogen.
So estrogen pills can be cut back and eventually stopped. M.D. According to Dr. Lee, Theo Colborn, and other researchers, women in America and developed countries are getting too much estrogen. First of all, the woman produces estrogen herself before and after menopause. Second, she may be taking estrogen by pill or by skin patch for hormone replacement or for birth control. Third, she may be getting estrogen effects from chemicals that mimic estrogens known as xenoestrogens.