This audio by Dr. John Lee is extremely informative in regards to Estrogen dominance and the progesterone deficiencies. The causes of the symptoms of PMS, Menopause premenopause, etc are all answered on this very informative tape by Dr. Lee progesterone cream estrogen progesterone pms hotflashes cramps osteoporosis night sweats irrritability premerin estrogen patches breast cance breast cysts fybroids endomitriosis menstrual cycles heavy flows uterin cysts he answers to the challenges of the imbalances of progesterone and estrogen.