09-03-2015, 18:28
(09-03-2015, 18:12)lovely11 Wrote: Many sources mix up progesterone effects with estrogen, because they both work on the breast. I even mixed up the two before I realized they were completely different.
Progesterone and Estrogen have different effects on each other's receptors.
I know exactly what you mean, lol.
Check this one out: (see the links)
http://3dchem.com/molecules.asp?ID=479