早产的原因分为孕妇方面和胎儿方面，对因治疗才能有效预防早产!The reasons for premature birth are divided into pregnant women and fetuses. The treatment can effectively prevent premature birth!

　　孕妇方面Pregnant women

　　(1)子宫畸形(如双角子宫、纵隔子宫)、子宫颈松弛、子宫肌瘤等。(1) Uterine deformities(such as double-angled uterus, mediastinal uterus), cervical relaxation, uterine fibroids, etc..

　　(2)合并急性或慢性疾病，如病毒性肝炎、急性肾炎或肾盂肾炎、急性阑尾炎、病毒性肺炎、高热、风疹等急性疾病;心脏病、糖尿病、严重贫血、甲状腺功能亢进、高血压病、无症状菌尿等慢性疾病。2) Combine acute or chronic diseases, such as viral hepatitis, acute nephritis or pyelonephritis, acute appendicitis, viral pneumonia, high fever, rubella and other acute diseases; Chronic diseases such as heart disease, diabetes, severe anemia, hyperthyroidism, hypertension, and asymptomatic bacteria and urine.

　　(3)并发妊娠高血压综合征。(3) Complicated with pregnancy hypertension syndrome.

　　(4)吸烟、吸毒、酒精中毒、重度营养不良。(4) Smoking, drug abuse, alcoholism, severe malnutrition.

　　(5)腹部直接撞击、创伤或手术操作刺激等。(5) Direct abdominal impact, trauma or surgical stimulation.

　　胎儿方面Fetal aspects

　　1)前置胎盘和胎盘早期剥离。1) Preposition placenta and early placenta removal.

　　(2)羊水过多或过少、多胎妊娠。

　　(2) Too much or too little amniotic fluid, multiple pregnancy.

　　(3)胎儿畸形、胎死宫内、胎位异常。(3) Fetal deformity, fetal stillness, abnormal fetal position.

　　(4)胎膜早破、绒毛膜羊膜炎。

　　(4) Early rupture of the fetal membrane and chorionic amnionitis.