习惯性流产的病因三大类There are three major causes of habitual miscarriage

陈凤林教授指出：习惯性流胎停育根据其不同的病因分为以下三类：

Professor Chenfenglin pointed out that habitual miscarriage is divided into the following three categories according to its different causes:

第一：胚胎染色体异常。

First, chromosome abnormalities in embryos.

第二：母体异常。

Second, maternal abnormalities.

㈠免疫因素：如抗胚胎抗体阳性受到排斥而发生流产。

Immune factors such as miscarriage due to rejection of positive anti-embryonic antibodies.

㈡内分泌因素：如黄体功能不全、甲状腺功能低下等均可导致流产。

Two endocrine factors, such as luteal insufficiency and hypothyroidism, can lead to miscarriage.

㈢生殖系统形态异常：如单角子宫、双角子宫、双子宫、子宫纵隔等畸形子宫。

Morphological abnormalities of the trigenital system: such as unilateral uterus, bicuspid uterus, bicuspid uterus, uterine septum and other abnormal uterus.

㈣创伤刺激因素：宫腔粘连、子宫创伤的手术、性交过度、外力撞击等。

Four trauma stimulating factors: intrauterine adhesions, uterine trauma surgery, excessive sexual intercourse, external force impact, etc.

㈤母体自身疾病：如流感病毒、急性支原体衣原体感染，高血压、肾病、心脏病等疾病。

Five maternal systemic infectious diseases: such as influenza virus, acute Mycoplasma Chlamydia infection, hypertension, kidney disease, heart disease and other diseases.

第三：不良生活习惯及环境因素，如吸毒、酗酒、甲醛、铅等有害物质过多的接触会导致流产。

Third: Bad living habits and environmental factors, such as drug abuse, alcoholism, formaldehyde, lead and other harmful substances excessive exposure will lead to miscarriage.