Early pregnancy stomach cramps in the middle of the night: First, women consume unclean diet, resulting in gastrointestinal discomfort phenomenon; Second, when women have ectopic pregnancy, rupture, there will also be the occurrence of stomach cramps, stomach cramps are generally more pronounced on one side of the lower abdominal pain; Third, when a woman has a preeclampsia or difficult to avoid the abortion of the time, there will also be the case of stomach cramps; Fourth, when a woman has a cyst of the corpus luteum, or When a woman has a corpus luteum cyst, or an ovarian cyst with a twisted tip or rupture, she will also experience cramps; five, when a woman suffers from appendicitis and other surgical emergencies, she will also experience cramps. Therefore, when a woman has stomach cramps in the middle of the night, she should go to the hospital to review the gynecological ultrasound, blood HCG, progesterone test, so as to avoid ectopic pregnancy, which affects the health of women’s lives.