“The main reason women discontinue HRT is due to side effects. Synthetic progestin’s (Provera®) cause may side effects: breast swelling and tenderness, uterine bleeding, depression and mood disturbance, weight gain, bloating and edema. Natural progesterone has no side effects.” Female Patient 2001 Oct; 19-23.
“Progesterone should be administered to all women, hysterectomy or not.” Infertility and Reproductive Medicine Clinics of North America; 1995 Oct;Vol.6(4):653-673.
“Due to the side effects of synthetic progestin’s, natural progesterone is preferred. Progesterone has proven bio-availability and no side effects making it the preferred hormone for menopause.” American Family Physicians 2000;62: 1339-46.
“Estrogen and progesterone are neuro-protective against cerebral damage. These beneficial effects were blocked by MPA (medroxyprogesterone).” National Academy Science USA; 2003 Sept. 2;100(8):10506-11.