When you have a review 42 days after cesarean section surgery, you should do internal examination, mainly to find out whether there is congestion and edema in the vaginal mucosa, because it can cause congestion and edema in the vaginal mucosa during pregnancy, to see whether this phenomenon has been improved, and to find out whether there is inflammation in the vagina and inflammation in the cervix, so you should do the internal examination. And it is necessary to know the size of the uterus through the bimanual diagnosis, and to know whether there is any pressure and pain in the uterus, etc., so it is necessary to do the gynecological bimanual diagnostic examination and internal diagnostic examination. Ultrasound examination is also needed to know whether there is any abnormality in the uterine cavity and whether the scar of the uterus is well healed. In addition, routine blood tests are also needed, and routine leukorrhea tests are needed to find out if there is anemia and if the leukorrhea routine is normal.