Stomach Cramps During Pregnancy: How Common and When They Occur

Abdominal cramping affects ~75% of pregnant women. It’s most frequent in the first trimester (weeks 1–12) and again near term/labor, but can occur at any stage.

Common benign causes: uterine stretching, gas, constipation, round ligament pain. Concerning causes (seek care): ectopic pregnancy, miscarriage, preterm labor, placental abruption, UTI.