Pelvic or Vaginal Exam during Pregnancy (3rd Trimester) According to Mayo Clinic, “as your due date approaches, your prenatal visits might include pelvic exams. These exams help your health care provider check the baby's position and detect cervical changes.” *History Pelvic examination during pregnancy is used to detect a number of clinical conditions such as anatomical abnormalities and sexually transmitted infections, to evaluate the size of a woman’s pelvis (pelvimetry) and to assess the uterine cervix so as to be able to detect signs of cervical incompetence (associated with recurrent mid-trimester miscarriages) or to predict preterm labour (see Section 11. |