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Teen Health

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Treatment Stops Repeated Preterm Labor

Magnesium Treatment Allows Women to Continue Pregnancy Without More Episodes of Early Labor
WebMD Health News

Feb. 10, 2005 -- When pregnant women go into labor too early, successful treatment can help stop preterm labor (premature labor) from returning.

Labor that occurs before the 37th week of pregnancy is called preterm. Premature babies have a greater risk of health problems and death than babies born on or near their due date. However, preterm labor doesn't always lead to early birth.

"Most babies will do just fine. They will be delivered near term or at term," says ob-gyn Brian Brost, MD, in a news release. Brost specializes in high-risk pregnancies at Minnesota's Mayo Clinic.

Preterm labor can start in any woman; it's not always clear why preterm labor starts. The problem could lie in the mother, the fetus, or both. Women at greater risk for preterm labor include those who have had preterm labor in prior pregnancies, women who are pregnant with twins or more, smokers, and women with an abnormal cervix or uterus.

The March of Dimes estimates that 1,300 babies are born prematurely in the U.S. each day, or about 11% of all U.S. pregnancies.

Symptoms of Preterm Labor

With rest and medication preterm labor can sometimes be stopped. But when symptoms appear, they can include:

  • Contractions that occur every 10 minutes or more which feel like menstrual cramps
  • Pressure or pain in your lower back, pelvic area, lower abdomen, or thighs that continues after you change position -- standing, sitting, or lying down (it may feel like your baby is pushing out)
  • Changes in your vaginal discharge, which may increase in amount or become pink or reddish

You may have one or more of these symptoms and not be in preterm labor. Consult your doctor with any questions.

Study's Findings

With Mayo clinic co-workers and colleagues from the Medical University of South Carolina, Brost analyzed the medical records of 172 women who underwent preterm labor.

When preterm labor started, the women were between 24 to 34 weeks pregnant. A typical full-term pregnancy lasts 37 to 42 weeks. If contractions start before 37 weeks but after 20 weeks of pregnancy, this is defined as preterm labor.

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