Difficulties linked with the digestive system, such as constipation and diarrhea during pregnancy, may often occur during pregnancy. It can be due to shifting of hormones, diet changes, and added stress due to pregnancy. It has been noted that pregnant women suffer from diarrhea quite a lot. If they are not cautious enough, it may result in serious problems such as SGA (Small for Gestational Age) infants, resulting in indirect infant mortality. Is it normal to have diarrhea during pregnancy.