During pregnancy, you’ll discover firsthand all the amazing things your body innately knows how to do to get baby-ready. An important player in all this prep work is the cervical os. Here’s what this ...

The cervix of the uterus, also known as the cervix or uterine cervix, attaches the vagina to the uterus. It is approximately four centimeters long, approximately half of which extends into the vaginal ...

The vagina is a flexible tube that joins the uterus to the vulva. Vaginas are usually around 3 inches long but may vary widely in color, size, and shape. The vaginal opening is the part of the vagina ...