病例:患者27岁,社会性别男性,因“婚后2年未育”来我院生殖中心就诊。其父母非近亲结婚,父母双方家族三代无不孕不育病史,母亲否认怀孕期间接触放射性物质或有毒化学物质,患者有规律的性生活,夜间阴茎勃起,能射精,且无性欲减退。查体:身高168cm,体重55kg,有胡须,触及喉结不明显,乳房无发育,阴毛呈女性倒三角分布,阴茎长约 Case: Patient 27 years old, gender male, due to “2 years of marriage after childbirth ” to our hospital reproductive center. His parents were married to non-relatives. The three generations of both parents did not have any history of infertility. The mother denied exposing to radioactive substances or toxic chemicals during pregnancy. The patients had regular sexual activity, nocturnal penile erections, ejaculation, and no loss of libido. Physical examination: Height 168cm, weight 55kg, beard, hilarious knot is not obvious, no development of breast, pubic hair was inverted inverted triangle, long penis