不良孕产史是妇女妊娠过程中常见的病理现象,它包括习惯性流产、死产、死胎、曾生育畸形胎或智力低下患儿等。现在由于大家优生意识提高,来我院做孕前检查的人越来越多,不良孕产史者在其中占很大比例。引起不良孕产史的原因很多除免疫因素、内分泌因素、孕产孕期病原体感染、有诱 Unfavorable history of pregnancy is a common pathological phenomenon during pregnancy in women, which includes habitual abortion, stillbirth, stillbirth, had a child with deformity or mental retardation and so on. Now because of the rising awareness of eugenics, to our hospital to do more pre-pregnancy check-ups, poor history of pregnant women accounted for a large proportion. Many causes of adverse pregnancy history in addition to immune factors, endocrine factors, pregnancy and pregnancy-induced pathogen infection, induced