Miscarriage caused by the failure of the embryo to continue developing within 28 weeks of gestation is generally referred to as spontaneous miscarriage, and spontaneous miscarriage for three or more consecutive times is called habitual miscarriage. The causes of spontaneous miscarriage are twofold, embryonic disorders and maternal diseases. If the embryo itself has a defect, it will die when it reaches a certain level of development and miscarriage will occur. If the cause is maternal, it may be the following: 1, abnormal reproductive organs, such as uterine abnormalities, uterine malformations, uterine fibroids, etc.; 2, vitamin deficiency, such as vitamin E, K, C deficiency, etc.; 3, acute and chronic diseases, such as gastroenteritis, urinary tract infections, etc.; 4, emotional internal injuries, such as mental fear, emotional stress, etc.; 5, lack of luteinizing hormone; 6, venereal diseases, such as gonorrhea, syphilis, etc. For women with a history of habitual abortion, health care during pregnancy is particularly important. Specifically, the following essentials should be mastered. 1, pay attention to personal hygiene: pregnant women should bathe and change underwear regularly, but should not take a tub bath or swim, and take care not to catch cold when bathing. Pay special attention to the cleanliness of the pubic area, you can wash the vulva with clean warm water every night to prevent germs infection. 2, the regularity of life: living in peace, neither too easy (such as too sleepy), nor too laborious (such as lifting heavy objects or climbing high track risks, etc.). Ease is qi stagnation, resulting in difficult delivery; labor is qi failure, resulting in injury to the fetus abortion. Therefore, pregnant women must develop good habits, work and rest should be regular, the best daily to ensure enough sleep for 8 hours, and appropriate activities. In this way, they can have sufficient physical strength and energy to deal with various situations during pregnancy. In addition, pregnant women should dress generously, the belt should not be tightened, and they should wear flat shoes. It is important to develop the habit of regular bowel movements and to eat more fiber-rich foods to keep the bowels flowing smoothly. When constipation, avoid using laxatives. 3, keep a comfortable mood: research has concluded that part of the spontaneous abortion is due to the central nervous excitement of pregnant women. Therefore, pregnant women should pay attention to regulate their emotions, try to keep their mood, avoid all kinds of adverse stimuli, eliminate tension, boredom, fear of psychology, especially can not be very happy, sad, angry, worried, otherwise the growth and development of the fetus is very unfavorable. 4, reasonable diet: pregnant women should pay attention to choose food rich in various vitamins and trace elements, easy to digest, such as a variety of vegetables, fruits, beans, eggs, meat, etc.. If you have a cold stomach and intestines, you should be careful with foods that are cold in nature, such as mung beans, white fungus, lotus seeds, etc. If you have a deficient body and fire, you should be careful with foods that are easy to get on fire, such as male chicken, beef, dog meat, carp, etc. There are many folk remedies to prevent habitual abortion and pre-eclampsia very effective, here to introduce you two: 1, lotus seeds, cinnamon meat 50 grams each, the fire boiled soup, plus 100 grams of yam powder to cook porridge. Start to consume it after pregnancy, once a day. This formula is suitable for people with vaginal bleeding, abdominal cramps, lumbar and leg weakness, white fur and light tongue, and history of habitual abortion. 2. 3 pumpkin tips and 6 lotus tips, roasted yellow together, take in 3 times in rice soup and finish in 1 day. This formula is suitable for those with blood-heat type of pre-eclampsia miscarriage who have fetal movement and abdominal pain, vaginal bleeding, red face and dry mouth, irritable heat in the heart and short urine. 5, careful intercourse: for pregnant women with a history of spontaneous abortion, intercourse should be avoided within the third month of pregnancy and after the seventh month, and intercourse should be strictly prohibited during this period for those with habitual abortion. 6, regular prenatal checkups: pregnant women should start regular prenatal checkups in the middle of pregnancy in order to detect and deal with abnormalities in pregnancy in time to ensure healthy fetal development.