Question: what is normal levels of estrogen?
Answer: Doctors measure estradiol levels in picograms per milliliter (pg/ml). In premenopausal females, normal estradiol levels are 30 to 400 pg/ml. In postmenopausal females, normal estradiol levels are 0 to 30 pg/ml. In males, normal estradiol levels are 10 to 50 pg/ml.