Is estradiol 21 low?

Estradiol 21 pmol/L is relatively low.
Estradiol is a kind of estrogen, mainly secreted by ovaries, corpus luteum and placenta during pregnancy, which can promote the development of female reproductive organs as well as the growth and thickening of endometrium and peristalsis of fallopian tube.
The normal value of estradiol during puberty is between 18.35 and 110.1 pmol/L, and the normal value during pregnancy is between 789 and 1578 pmol/L. Therefore, when the value of estradiol is 21 pmol/L, it is lower than the normal level.
Estradiol 21pmol/L belongs to low may be caused by overwork, ovarian failure, endocrine disorders, ovarian cysts and other factors that lead to lower production of estradiol 21pmol/L.
It may cause patients with low estradiol to experience irregular menstruation, poor follicular development, or even cessation of menstruation and anovulation. If the estradiol is 21pmol/L in pregnant women, it may easily lead to miscarriage of the fetus with placenta instability.
Patients with estradiol 21pmol/L should go to the hospital and choose appropriate drugs for treatment under the guidance of the doctor.