Other causes include systemic diseases, emotional shock, stress, hormone over- or underproduction, anorexia, absence of ovaries or uterus, pregnancy, lactation, and menopause.

• 精神上的创伤、焦虑、恐惧；激素分泌过量或不足；全身性肥胖；阴道闭锁及妊娠、哺乳、绝经等。