The prevalence increases with age and is approximately 1 in 10,000 women under age 20, 1 in 1,000 women under age 30, and one percent by age of 40.
Primary ovarian insufficiency
Functional hypothalamic amenorrhea
Gonadotropin-resistant ovary syndrome
Androgen insufficiency syndrome
Hypergonadotropic hypergonadism
Polycystic ovary syndrome
Anovulation
Lactational amenorrhea