The pain in the stomach like menstrual pains after the onset of redness is mostly a reaction to impending labor, and may also be a sign of pre-mature labor or preterm labor. Pregnant women are advised to go to the hospital for examination in time to rule out whether other gynecological diseases are causing the bleeding pain and to determine whether they need to be hospitalized for delivery. Common reasons: 1, pre-mature labor: after the red belly like menstrual pain, suggesting the possibility of pre-mature labor, usually with false contractions, manifested as a hard, tight stomach, contractions are not regular, and very short, only a few times a day; 2, about to give birth: after the red belly, if accompanied by regular contractions, once a few minutes, the intensity is great, sometimes the pain is more powerful than menstrual cramps, indicating the possibility of immediate delivery. 3, preterm labor: If the painful sensation occurs when there is no full term, it suggests the possibility of preterm labor; 4, gynecological diseases: cervicitis, vaginitis, etc. due to local inflammation breaking bleeding, will also appear similar to the redness and accompanied by small abdominal pain. Treatment: 1. Pregnant women who are already full-term will generally deliver within 24-48 hours, and should be admitted to hospital in time for delivery, and when the opening of the uterus reaches 2 fingers, they should go into the delivery room to prepare, and they can deliver when they completely reach 10 fingers; 2. Pregnant women with signs of preterm labor should go to the hospital for examination in time, and according to the examination results, they should be treated with oral medication or injectable medication for fetal preservation under the guidance of doctors; 3. If the bleeding is caused by other gynecological diseases during pregnancy, it is recommended to go to the hospital at the first time, improve the relevant examination, clarify the specific causes and take targeted treatment to avoid affecting the health of the fetus. Note: Pregnant women should especially pay attention to more rest during labor, avoid overwork, save energy, keep your mood relaxed, and carry snacks to help replenish energy at any time.