Life begins here.
D000293:Adolescent; D000328:Adult; D002648:Child; D003075:Coitus; D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology / Q000502:physiology*; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006801:Humans; D008598:Menstruation; D008875:Middle Aged; D012098:Reproduction
D012739:Gonadal Steroid Hormones