Pregnant women with diarrhea can take probiotics. The main function of probiotics is to regulate the normal intestinal flora, improve the digestion and absorption function of the intestine, and relieve the symptoms of constipation or diarrhea. After taking probiotics, it will not affect the health status of the body and will not affect the normal development of the fetus. When a pregnant woman has diarrhea, she should find out the cause of the diarrhea before considering medication. If the diarrhea is only caused by intestinal dysfunction and dysbiosis of intestinal flora, probiotics can be taken to regulate it. If the diarrhea is caused by acute gastroenteritis due to infection by pathogenic microorganisms, you should choose the appropriate medication under the guidance of a doctor.