A single 0.7cm layer of endometrium does not determine whether or not it is an ectopic pregnancy. A fertilized egg that is deposited outside the body cavity of the uterus is an ectopic pregnancy, also known as an ectopic pregnancy. The diagnosis of ectopic pregnancy is usually determined by symptoms and ancillary tests. Patients with ectopic pregnancy may present with symptoms such as menopause, abdominal pain, and vaginal bleeding, which can be diagnosed with ultrasound and hCG tests. The thickness of the endometrium plays little definitive role in the diagnosis of ectopic pregnancy. When an ectopic pregnancy does not miscarry or rupture, the patient’s clinical presentation is unremarkable and may present only with a history of menopause. Patients with ectopic pregnancy have positive blood HCG, but the HCG level is lower than that of intrauterine pregnancy. If the location of the gestational sac, yolk sac or even the germ can be seen on ultrasound, intrauterine or ectopic pregnancy can be identified. However, sometimes the time is short and the ultrasound may not see anything, and it is necessary to continue to review. If there is any abnormality during pregnancy, you need to consult a doctor for examination.