An early intrauterine pregnancy is a normal pregnancy, and an intrauterine pregnancy is relative to an ectopic pregnancy. An intrauterine pregnancy is when the embryo develops inside the uterine cavity. Early pregnancy generally refers to the early stages of pregnancy, and an early intrauterine pregnancy can usually be confirmed by ultrasound. Ectopic pregnancy is ectopic pregnancy, is in reference to the gestational sac is located outside the uterine cavity of the pregnancy, including tubal pregnancy, ovarian pregnancy, uterine stump pregnancy, cesarean section keloid pregnancy, broad ligament pregnancy, abdominal pregnancy, cervical pregnancy, etc., the most common ectopic pregnancy for the fallopian tube pregnancy. Clinical women in early pregnancy must go to the hospital in time for further examination, regular maternity checkups, and appropriate supplementation of vitamins, proteins and other nutrients.