If the fertilized egg implants in the uterus, cornu, cervix, fallopian tubes, etc., it is necessary to undergo relevant examinations at a regular hospital.

1. Cornu uterus: The fertilized egg implantation may result in cornual pregnancy or interstitial pregnancy in the fallopian tube, leading to severe abdominal pain or symptoms of shock.

2. Cervix: It is dangerous when the fertilized egg implants in the cervix, as it may cause intermittent heavy vaginal bleeding.

3. Fallopian tubes: This is a relatively common type of ectopic pregnancy, which is usually accompanied by abdominal pain and may lead to fainting in severe cases.

In addition, there may be a possibility of ectopic pregnancy on the lateral wall of the uterus, and it is necessary to undergo relevant examinations at a regular hospital.