The cervical os is a narrow opening at each end of the cervix (which connects the vagina with the main body of the uterus via the endocervical canal). The cervix is about an inch long but can vary in ...

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Under ultrasound guidance, a probe is used along the uterine axis to measure the depth of the uterine cavity. In patients with a history of cesarean section, abnormal cervical canal, or prior cervical ...

How common is endometrial cancer? In the United States, cancer of the endometrium (the lining of the uterus) is the most common cancer of the female reproductive organs. The American Cancer Society ...