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不孕是妇产科临床常见病症之一。由于各个国家、各个地区对不孕症的定义、统计方法及资料来源等的标准不一,其发生率也有差异。国外发生率一般为育龄夫妇的10～20%,国内报道为1～10%。不孕症与不育症的定义有所不同,不可混淆。不孕症(steritity)是指育龄夫妇性生活正常(未避孕),在一定期限内从未妊娠。而不育症(infertility)则指女方有过妊娠,但均以流产、早产、死胎或死产而结束(包括反复自发性或称习惯性流产),无孩子存活。不孕症的期限,国内外以往都以三年为限,近年来都趋于缩短,如世界卫生组织1986年采用以一年为限,国内有用一年、两年或三年者。鉴于已婚夫妇40～90%在一年内自然妊娠,95%二年内妊娠,故1988年8月中华医学会和中华妇产科杂志编辑部召开的全国不孕症研讨会上,推荐不孕症期限以两年为妥,但不孕症的治疗则可根据夫妇本人、病因及病情轻重等具体情况,适当提前或推后。
Infertility is one of the common clinical symptoms of obstetrics and gynecology. Due to the different standards of infertility definition, statistical methods and data sources in various countries and regions, the incidence rates are also different. The incidence of foreign countries is generally 10 to 20% of couples of childbearing age, the domestic coverage of 1 to 10%. The definition of infertility and infertility are different, can not be confused. Steritity (steritity) refers to normal sexual life couples (non-contraception), never within a certain period of pregnancy. Infertility, on the other hand, refers to women who have had a pregnancy, but who are both aborted, premature, stillbirth or stillbirth (including recurrent spontaneous or habitual abortion) without child survival. The duration of infertility, both at home and abroad in the past to three years, in recent years have tended to shorten, such as the World Health Organization in 1986 to one year, domestic useful one year, two years or three years. Given that 40-90% of married couples are naturally pregnant within one year and 95% are pregnant within two years, it is recommended that at the National Seminar on Infertility held by the Chinese Medical Association and the Editorial Department of Chinese Obstetrics and Gynecology in August 1988, infertility should be recommended Duration of two years as appropriate, but the treatment of infertility can be based on the couple themselves, the etiology and severity of the specific circumstances, appropriate advance or postponed.