Internal examinations are generally required in late pregnancy, and some pregnant women have to increase the number of internal examinations. The role of internal examination in late pregnancy is as follows: 1. internal examination can reveal the position of the fetal head, understand the size of the pelvis, grasp the opening of the uterus, and determine whether the delivery can be carried out; 2. to understand the condition of the cervix and pelvis of the pregnant woman, grasp the indications for surgery and the degree of difficulty of surgery, which can reduce the chance of complications; 3. vaginal discharge examination near the expected date of delivery, to exclude whether there is B streptococcal infection, and if there is infection requires relevant treatment for the pregnant woman and the newborn. Some pregnant women have special conditions that require internal examination to assist in diagnosis: 1. uterine lesions: internal examination can diagnose the size, softness and mobility of the cervix and uterus, and whether there is itching and pain, swelling or contact bleeding; 2. fetal condition: internal examination can clarify whether the fetal head is obstructed, whether there is invisible prolapse of the umbilical cord, and whether there is amniotic fluid contamination, so that intrauterine asphyxia can be avoided in time; 3. vaginal bleeding: internal examination can clarify the location of bleeding and determine the cause of bleeding. Internal examination can clarify the location of bleeding, determine the cause of bleeding, and determine the treatment method. Internal examination is one of the routine gynecological examination methods, especially in late pregnancy, which is very necessary for the smooth delivery of pregnant women, so pregnant women should not feel embarrassed and painful to resist internal examination. Try to relax and breathe deeply during the internal examination, the more relaxed you are, the faster the examination time will be.