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凡婚后未避孕、有正常性生活、同居一年而未曾受孕者,为不孕症。导致不孕的原因很多,有的是先天性发育的原因,有的是由于某些疾病引起的。35%左右的不孕症系男方精液质量有问题,单纯因女方因素所致的不孕症约占45%,其余20%则往往是男女双方均有问题。就不孕症的女方因素而言,输卵管病变占30%左右,30%系排卵功能异常,子宫内膜异位及不明原因不孕约占15%,其他子宫疾患、宫颈疾患、免疫因素所致者少于10%。
Where no contraception after marriage, normal life, living together for one year and have not been pregnant, as infertility. Cause infertility for many reasons, some of the reasons for congenital development, and some due to certain diseases. About 35% of infertility men semen quality problems, simply because of female factors caused by infertility accounted for about 45%, the remaining 20% are often both men and women have problems. On the female factor infertility, tubal lesions accounted for about 30%, 30% ovulation dysfunction, endometriosis and unexplained infertility accounted for about 15%, other uterine diseases, cervical disease, immune factors Less than 10%.