There are several possibilities for stomach pain in early pregnancy: 1. normal phenomenon, some pregnant women will have slight abdominal pain during the process of embryo implantation in early pregnancy, and after pregnancy, the uterus starts to increase in size, and slight abdominal pain will occur during the process of uterine enlargement; 2. need to exclude ectopic pregnancy and pre-eclampsia, early pregnancy is a high-risk stage for miscarriage, and usually tubal inflammation or gynecological inflammation occurs The probability of ectopic pregnancy will increase. The first is to pay attention to rest; the second is to go to the hospital in time for a checkup, through blood tests and ultrasound to understand the specifics of the pregnancy.