
Originally Posted by
Dumbass
Estrogen is anabolic. The most noticeable effects are the waterretention, "bloating". This gives a massive temporary strength/weight-gain. Even tough this gain is temporary it allows you to train harder with heavier weights, thus giving you the ability to progress more rapidly and in turn giving greater "permanent" gains. Also increase in red blood cell count gives you anabolic benefits, as well as better stamina.
In adition estrogen plays an important role in many functions in the body, like libido.