The majority of watermelon will not cause miscarriage after pregnancy in moderation, but the following pregnant women should be careful eating watermelon: 1, cold body women in pregnancy after the best not to eat watermelon, because the watermelon itself belongs to the cold fruit, if itself is cold body, and then eat cold fruit may cause diarrhea, diarrhea serious, gastrointestinal peristalsis serious will stimulate cause uterine contractions, may lead to miscarriage phenomenon. 2, after pregnancy combined with gestational diabetes can not eat watermelon, after eating watermelon caused by high blood sugar, a series of complications will manifest, may lead to miscarriage phenomenon. The vast majority of pregnancies can eat watermelon after, will not lead to miscarriage phenomenon, individual should be treated with caution.