But this is no doubt because the baby boys will have lower estrogen levels in their bodies. (checkpregnancy.com)
Even a woman with low estrogen levels can have estrogen dominance symptoms if she doesn't have any progesterone. (virginiahopkinstestkits.com)
There are also other causes of lowered estrogen levels (estrogen is the female life force and it is probably best not to upset this balance). (onnit.com)