I am a pharmaceutical compounder and I make Bio-identical Hormones for premenopausal and postmenopausal women, plus men and women that have lost their libidos. Estrogens are not necessarily the only culprit of breast cancer....there are several factors such as,
1. Synthesized (man made) estrogen.
2. Unopposed estrogen....meaning without Progesterone.
3. Environment
4. Diet and lifestyle (plastics we eat out of and drink out of contain hormones linked to cancer)
Bio-identical (meaning the molecular structures are identical to what are bodies make) hormones are available by prescription and when they are properly prescribed in the correct proportions (Estrogen WITH Progesterone and Testosterone) are saving lives, marriages, relationships and their sanity too. Dr John Lee, Dr. Christina Northup, Uzzi Reiss, Dr. John Wilson, Eugene Shippen, and John Morgenthaler, all reputable people with credentials, have written informative books on the subject.
Anyways, for 15 years, I have seen tremendous results and for the last year I have been using progesterone cream because I am Estrogen dominant....lovesit.