Premature ovarian insufficiency (POI), formerly called premature ovarian failure, consists of an impairment of ovarian activity when the woman is under 40 years of age.
Due to this circumstance, irregular periods and menstrual delays may occur before the cessation of menses (amenorrhea).
Read the full article on: What may be the reason for a menstrual delay? ( 61).
By Nadia Caroppo M.D. (gynecologist) and Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 04/19/2022