what is normal e2 levels?
The estradiol test is a simple blood used to measure the levels of estradiol in your blood stream. In a normal cycle, the estradiol levels are initially low; and they gradually rise as the follicle matures.With a single follicle, peak E2 levels are about 200-300 pg/ml just prior to ovulation.This high E2 levels causes your cervical mucus to be copious.n a normal cycle, the estradiol levels are initially low; and they gradually rise as the follicle matures. With a single follicle, peak E2 levels are about 200-300 pg/ml just prior to ovulation. This high E2 levels causes your cervical mucus to be copious.