原因不明性不育或称特发性不育,系指经全面检查而未发现不育原因者。平均发生率约占不育之15%(6～27%)。局限于医生的知识和化验室条件,有些原因不明的不育症不一定是没有原因,因此对不育患者应系统的全面的寻找不育原因。最基本的应包括夫妇双方完整的病史、体检及有关的实验室检查。特殊检查应包括男方因素,妇女的官颈、子宫,输卵管、腹腔、卵巢,心理及免疫因素以及性交技术及类型。一、病史及体检:详细的病史为不育检查筛选过程中最主要的一步,包括对性生活的心理以及某些物理或毒物接触史。二、男性因素(一)精液分析:精液中精子浓度、活动度及形态可有波动。精神紧张、发热及生 Unidentified causes of infertility or idiopathic infertility, refers to a comprehensive examination without finding any cause of infertility. The average incidence of infertility accounts for about 15% (6 ~ 27%). Limited to the doctor’s knowledge and laboratory conditions, some unexplained infertility is not necessarily without reason, so infertility patients should be systematic and comprehensive search for reasons for infertility. The most basic should include a complete medical history of both husband and wife, physical examination and related laboratory tests. Special checks should include men’s factors, women’s cervix, uterus, fallopian tube, abdominal cavity, ovary, psychological and immune factors and sexual intercourse techniques and types. First, medical history and physical examination: a detailed history of infertility screening screening process is the most important step, including the psychological life and some physical or toxic contact history. Second, the male factor (a) semen analysis: sperm concentration in sperm, activity and morphology can fluctuate. Mental stress, fever and health