title: Sex chromosome mosaicism in secondary amenorrhea and oligomenorrhea.
mesh_terms: D000568:Amenorrhea / Q000235:genetics; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000235:genetics*; D009030:Mosaicism; D009061:Mouth Mucosa / Q000166:cytology; D012730:Sex Chromosomes