Maybe you are just pregnant, maybe you have been pregnant for a while, or maybe you are preparing for pregnancy, regardless of the stage of pregnancy, I believe that most of us are afraid of talking about miscarriage. In fact, miscarriage is not that scary, and the occurrence of miscarriage can be avoided in many cases. The first is the high incidence of miscarriage in the early pregnancy less than 28 weeks of pregnancy, the baby’s weight is less than 1 kg and interrupt the pregnancy is called miscarriage, divided into early miscarriage and late miscarriage two. Early miscarriage occurs before the 12th week of pregnancy and is more common, accounting for more than 80% of all miscarriages. Late miscarriage occurs after 12 weeks of pregnancy, and its incidence accounts for 10%-15% of all pregnancies. 1, what are the factors that cause miscarriage Embryonic chromosomal and genetic abnormalities are the most common causes of spontaneous miscarriage. Chromosomal abnormalities cause almost 2/3 of all miscarriages. Most of the embryos with chromosomal abnormalities will undergo embryonic degeneration or even disappear, and even if very few develop into fetuses, they will have malformations or some organ function abnormalities after birth. 2, the outside world’s adverse stimulus outside factors affecting the embryo, such as cadmium, lead and other heavy metals, organic mercury, formaldehyde, benzene, DDT and other chemical substances, as well as radioactive substances, ionizing radiation, etc., after the pregnant mother contact, will directly affect the fetal baby or through the placenta, so that its development is impaired and miscarriage occurs. 3.Pregnant mother factor Endocrine disorders; hypothyroidism, severe diabetes, etc.; systemic diseases, such as serious infections, etc.; uterine insufficiency; cervical insufficiency, relaxed inner cervical opening; mother and fetus blood type incompatibility. 4, mental factors Pregnant mothers are nervous, stressed and thoughtful will also increase the risk of miscarriage. What are the signs of miscarriage? 1. Vaginal bleeding: Vaginal bleeding can be divided into small amount of bleeding and large amount of bleeding, continuous bleeding and irregular bleeding, especially vaginal bleeding accompanied by abdominal pain, which needs special attention. 2. Pain: There may be constant pain in the pelvis, abdomen or lower back. When the symptoms of vaginal bleeding appear, the pain may start to be felt a few hours or days later. 3. Vaginal blood clots: Blood clots or light gray tissue are discharged from the vagina. 3. What is preterm miscarriage The main signs of early preterm miscarriage are vaginal bleeding, small amount, red color, lasting for days or weeks, without abdominal pain or with slight lower abdominal pain, with back pain and a feeling of falling. Depending on the situation, some pregnancies may continue after being preserved. If the embryo is abnormal, then miscarriage is inevitable. If the embryo is normal, the pregnancy can be continued after appropriate rest, observation and necessary treatment. Human factors to prevent pre-miscarriage 1. Avoid strenuous and heavy physical labor: such as working overtime, staying up late, lifting heavy objects, etc. 2. 2. Avoid exposure to harmful substances: do not dye or perm your hair; do not paint your nails; do not live in a room that has just been renovated; do not take drugs indiscriminately. 3, early pregnancy is best not to have sex: early pregnancy to abstain from sex, otherwise the abdomen is squeezed, the cervix is stimulated and easy to trigger contractions, resulting in miscarriage. 4, pay attention to reproductive tract health: keep the vulva clean, once the vaginal inflammation, timely treatment. 5, keep a happy mood: excessive mental stimulation is a factor that causes miscarriage, pregnant mothers should keep a happy mood, which is conducive to the healthy development of the embryo. The probability of spontaneous miscarriage is relatively high after the age of 35, when ovarian function decreases year by year, so senior pregnant mothers need to pay more attention to pregnancy care, especially those with the above-mentioned miscarriage factors, and should take maternity checkups more seriously and develop good living and eating habits. Miscarriage is sometimes a blessing among misfortunes. Spontaneous miscarriage is something that every pregnant mother does not want to face, but from another perspective, it is a natural elimination of abnormal embryos by the body. Most early miscarriages are caused by chromosomal problems, and even if the embryo survives, it may be deformed or unhealthy. If the embryo survives, it may be deformed or unhealthy, but excluding chromosomal problems, pregnant mothers with signs of miscarriage can continue their pregnancy after rest and treatment. Therefore, pregnant mothers should take a proper view of miscarriage.