Hidden pain in the stomach after successful IVF pregnancy test may be a normal phenomenon and does not require treatment, or it may be caused by pre-miscarriage, ectopic pregnancy and so on. 1. Normal phenomenon: if you have a vague pain in your stomach after a successful IVF pregnancy test, but no other discomforts such as vaginal bleeding, you should consider that it is due to the fertilization of the egg. This is a normal physiological phenomenon and does not require any treatment. It is recommended that pregnant women take more rest and avoid strenuous exercise during this period. 2. Pre-eclampsia: If pre-eclampsia occurs after successful IVF pregnancy test, there may be vague pain in the stomach. At this time, you can use progesterone, such as progesterone and dydrogesterone under the guidance of the doctor. If the pregnant woman does ultrasound and finds that the embryo is underdeveloped, she will need to take suction and purging to terminate the pregnancy. 3. Ectopic pregnancy: Ectopic pregnancy after successful IVF transplantation will also be manifested as vague pain in the stomach, and it is suggested that the patient can choose conservative treatment or surgical treatment under the guidance of the doctor. It is recommended that women with vague stomach pain after successful IVF pregnancy test need to consult a doctor in time, if it is a normal physiological phenomenon, there is no need for treatment. If it is caused by disease, then you need to choose appropriate measures under the guidance of the doctor.