In the first trimester of pregnancy, women are often prone to abdominal pain and bleeding as a sign of preterm miscarriage because the placenta has not grown and the embryo is not stable in its bed, so it is necessary to carry out the corresponding treatment to preserve the pregnancy. If a woman has a preterm miscarriage, if the bleeding is not obvious, but only the symptoms of abdominal pain, then you can often consider taking birth control spirit to carry out birth control treatment, and then also try to rest in bed to protect the fetus, because it is the period of birth control treatment, so you need to eat a light diet is good, often recommended to eat more fresh vegetables and fruits, so as to promote the gastrointestinal tract peristalsis, so as to avoid long-term bed rest caused by constipation performance. If a woman is bleeding significantly during a preterm miscarriage, she may also need to take progesterone injections and ramie root in water to stop the bleeding. If necessary, hospitalization may also be required for fetal preservation, and haemostasis may be administered for symptomatic hemostasis. During the treatment period, women should eat a light and nutritious diet, because the consumption of spicy and stimulating foods may cause constipation, which may lead to increased vaginal bleeding due to straining to relieve the bowels.