Pregnant women with fever and stomach pain like contractions may be caused by preeclampsia or preterm labor, pregnancy combined with acute gastroenteritis and other reasons. 1. Combined preterm abortion or preterm labor: pregnant women due to various reasons lead to fever, at this time because of inflammation or pregnant women’s physical discomfort and other circumstances, may cause uterine contractions leading to preterm abortion or preterm labor. 2. Acute gastroenteritis in pregnancy: pregnant women who eat unclean food or cold during pregnancy may lead to the occurrence of acute gastroenteritis, at this time due to the gastrointestinal tract spasm easily caused by abdominal pain. Therefore, pregnant women with fever stomach pain like contractions, may be complicated by preterm miscarriage or preterm labor, but also may be caused by acute gastroenteritis and other reasons. Women who experience symptoms such as abdominal pain or vaginal redness during pregnancy must seek medical attention as soon as possible.