患者24岁，未婚。因原发闭经于1995年3月Zf日入院。患者于18岁起每1～2月有一天下腹胀，计乳房胀痛，但无月经来潮。查体：身高156cm，体重46kg。第二性征及外阴发育正常，处女膜完好但无孔。肛查：直肠前相当于阴道部位之组织较疏松确弱，未触及包块；宫颈较细，宫体前位．大 Patient 24 years old, unmarried. Because of the primary amenorrhea in 1995 March Zf admission. Patients from the age of 18 every one to two days a day under the abdominal distension, breast pain, but no menstrual cramps. Physical examination: height 156cm, weight 46kg. Second sexual characteristics and normal vulva development, hymen intact but no holes. Anal examination: the equivalent of the rectum before the vaginal parts of the organization is loose and weak, did not touch the mass; the cervix is ​​thin, the anterior palace. Big