Intrauterine infection in pregnant women can be detected by routine blood test, routine leukorrhea, amniocentesis, physical examination and so on. 1. Blood test: When pregnant women have intrauterine infections, their blood tests will show elevated white blood cells, neutrophils and other indicators. 2. Leukorrhea routine: when pregnant women with intrauterine infections undergo routine leukorrhea examination, it will be found that the leukorrhea has changed in character, and some of the pregnant women will have abnormal findings such as leukorrhea odor, leukorrhea texture, and cellular abnormality. 3. Amniocentesis: when pregnant women with intrauterine infection undergo amniocentesis, they will find that the amniotic fluid is cloudy, the amniotic fluid has a foul smell, and the amniotic fluid immunoassay test result is positive. 4. Physical examination: when pregnant women with intrauterine infection undergo gynecological physical examination, pressure and rebound pain will appear in the uterus. Pregnant women with intrauterine infections may also experience fever, abdominal pain, increased vaginal discharge, etc. It is recommended that pregnant women with intrauterine infections need to consult a doctor in a timely manner, and can choose appropriate measures for treatment under the guidance of the doctor.