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Blake Medical Center
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Vaginal Laceration

Definition

Vaginal lacerations are tears in the vagina or in the skin and muscle around the vaginal opening. Tears most commonly occur in the perineum. The perineum is the area between the anus and the opening of the vagina.

There are 4 degrees of vaginal laceration:

  • First—superficial lacerations of the skin or vagina; often no repair is needed
  • Second—deep laceration involving the skin or vagina and underlying fatty tissue; a simple suture repair is needed
  • Third—deeper laceration involving the muscles of the anus (sphincter); suture repair of the muscle and the vagina is needed
  • Fourth—most extensive laceration involving the entire thickness of the vagina, sphincter, and through the inner lining of the rectum (rectal mucosa); suture repair of the vagina, muscle, and rectal mucosa is needed

Causes

The deeper vaginal lacerations may occur during vaginal delivery. Examples of causes include:

  • Delivering a baby whose head is too large to easily fit through the vaginal opening
  • Going into labor too quickly (without giving the perineum time to stretch)
  • Having a difficult vaginal delivery and needing assistance with forceps or vacuum extraction

Minor lacerations can occur during sexual intercourse.

Risk Factors

Factors that may increase your risk of a vaginal laceration include:

  • Having a very large baby
  • Having a baby for the first time
  • Having had lacerations in prior pregnancy
  • Delivery with instruments
  • Baby's shoulder gets stuck

Symptoms

Vaginal lacerations may be painful, but there are usually no other symptoms.

Diagnosis

Your doctor will be with you during labor and will see any tearing if it happens. The seriousness will be based on the size of the tears and what muscles are affected. If the doctor thinks you may tear during pushing, an episiotomy may be advised. This is a surgical incision of the perineum. An episiotomy will make the vaginal opening temporarily larger so that the baby does not tear the vagina or the surrounding muscles.

Treatment

Talk with your doctor about the best treatment plan for you. Treatment options include:

Suturing

First degree tears are superficial. They often do not require stitches and will heal naturally. Second degree tears are deeper into the tissue, require a few stitches, and heal well afterward. Third and fourth degree tears require more stitches to be repaired correctly.

Stitches to Repair Third Degree Tear
vaginal tear surgical repair
Copyright © Nucleus Medical Media, Inc.

Prevention

To help reduce your chance of getting vaginal laceration, take the following steps:

  • Perineal massage—You or your partner can begin to massage the perineum with fingers and a lubricating jelly, like K-Y Jelly, when you are about 34 weeks pregnant. After that, it should be done every day. This action will soften and smooth the skin and may help it to stretch more easily during labor.
  • Kegel exercises—Contract and hold the muscles of your pelvic floor. These are the same muscles you use to stop the flow of urine. Practice contracting, holding, and slowly releasing these muscles to strengthen them.
  • Practice good nutrition—Healthy skin stretches more easily.
  • A slow second stage of labor—Controlled pushing allows the perineum to stretch slowly.

Revision Information

  • The American Congress of Obstetricians and Gynecologists

    http://www.acog.org

  • Women's Health—US Department of Health and Human Services

    http://www.womenshealth.gov

  • Health Canada

    http://www.hc-sc.gc.ca

  • Women's Health Matters

    http://www.womenshealthmatters.ca

  • Clinical management guidelines for ostetrician: gynecologists. ACOG Practice Bulletin. 2000;17.

  • Leeman L, Sprearman M, Rogers R. Repair of obstetric perineal lacerations. Am Fam Physician. 2003;68(8):1585-1590.

  • Perineal massage in pregnancy. American College of Nurse-Midwives website. Available at: http://www.midwife.org/ACNM/files/ccLibraryFiles/Filename/000000000656/Perineal%20Massage%20in%20Pregnancy.pdf. Published January/February 2005. Accessed March 29, 2016.

    Perineal trauma and repair in labor and delivery. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/. Updated November 23, 2015. Accessed March 29, 2016.