In the clinic, many patients have a history of one or two miscarriages, and these patients are often very anxious. A patient with multiple miscarriages once told me, “Doctor, once I’m ready, I’m sure I’ll be able to get pregnant, but as soon as I test for pregnancy, I start to get nervous, and I can’t eat or sleep well for fear of having another miscarriage.” We can understand the feelings of these patients. Repeated miscarriages cause great harm to both women’s psychological and physical health. Miscarriage, there must be a cause. Therefore, women should have a good pre-pregnancy examination and treatment before pregnancy. To be able to carry a healthy baby to prepare. Here to popularize: There are six common causes of miscarriage: 1, endometritis; 2, chronic vaginitis; 3, menstrual irregularities; 4, viral infections; 5, blood group incompatibility; 6, repeated scraping. Preventing diseases before pregnancy: 1, chronic endometritis is the most common cause of miscarriage; 2, chronic vaginitis destroys the epithelial barrier; 3, irregular menstruation can lead to miscarriage; 4, viral infections can cause embryonic developmental deformities; 5, blood type incompatibility can cause fetal arrest; 6, repeated scraping can lead to cervical damage. Countermeasures to prevent these 6 kinds of diseases before pregnancy: 1, prepare to get pregnant women who have uncomfortable symptoms should be timely examination and treatment; 2, pre-pregnancy active treatment of genital inflammation until cured; 3, pre-pregnancy adjustment of the menstrual cycle to the normal level; 4, pre-pregnancy a good pathogenetic examination; 5, “0” blood type or “RH Those with “0” blood type or “RH” negative blood should not abort easily; 6. If there is cervical injury, cervical suture should be done in advance.