Dr. Oz sheds some light on vaginismus, a condition that causes muscle spasms -- down there. Certain infections, including STDs, and menopause could be at fault. Learn more and find out what you should do to ease this tension.

Animation produced by Visible Productions, Inc.

Special thanks to Amy Stein, MPT, BCIA-PMDB Beyond Basics Physical Therapy, LLC for contributions to this segment.