What are preterm labor and birth?
Preterm labor (also called premature labor) is labor that begins before 37 weeks of pregnancy. Because the fetus is not fully grown at this time, it may not be able to survive outside the womb. Health care providers will often take steps to try to stop labor if it occurs before this time.
A baby born before 37 weeks of pregnancy is considered a preterm birth (or premature birth).
Who is at risk for preterm labor and birth?
Health care providers currently have no way of knowing which women will experience preterm labor or deliver their babies preterm. But there are factors that place a woman at higher risk for preterm labor or birth:
* Certain infections, such as bacterial vaginosis and trichomoniasis
* Shortened cervix
* Previously given birth preterm
What are the challenges to a baby born preterm?
Premature infants may face a number of health challenges, including:
* Low birth weight
* Breathing problems because of underdeveloped lungs
* Underdeveloped organs or organ systems
* Greater risk for life-threatening infections
* Greater risk for a serious lung condition, known as respiratory distress syndrome
* Greater risk for cerebral palsy (CP)
* Greater risk for learning and developmental disabilities
What methods are used to prevent preterm delivery?
Research supported by the NICHD found that treating high-risk pregnant women (those who have previously had a spontaneous preterm baby) with a certain type of progesterone reduces the risk of another preterm delivery. The treatment worked among all ethnic groups in the study and improved outcomes for the babies. Efforts to find out whether the treatment works for other at-risk women, such as those having twins and triplets, are ongoing.
Bed rest and medications that relax the muscles in the uterus are also commonly used to try to stop preterm labor.
Preterm labor (also called premature labor) is labor that begins before 37 weeks of pregnancy. Because the fetus is not fully grown at this time, it may not be able to survive outside the womb. Health care providers will often take steps to try to stop labor if it occurs before this time.
A baby born before 37 weeks of pregnancy is considered a preterm birth (or premature birth).
Who is at risk for preterm labor and birth?
Health care providers currently have no way of knowing which women will experience preterm labor or deliver their babies preterm. But there are factors that place a woman at higher risk for preterm labor or birth:
* Certain infections, such as bacterial vaginosis and trichomoniasis
* Shortened cervix
* Previously given birth preterm
What are the challenges to a baby born preterm?
Premature infants may face a number of health challenges, including:
* Low birth weight
* Breathing problems because of underdeveloped lungs
* Underdeveloped organs or organ systems
* Greater risk for life-threatening infections
* Greater risk for a serious lung condition, known as respiratory distress syndrome
* Greater risk for cerebral palsy (CP)
* Greater risk for learning and developmental disabilities
What methods are used to prevent preterm delivery?
Research supported by the NICHD found that treating high-risk pregnant women (those who have previously had a spontaneous preterm baby) with a certain type of progesterone reduces the risk of another preterm delivery. The treatment worked among all ethnic groups in the study and improved outcomes for the babies. Efforts to find out whether the treatment works for other at-risk women, such as those having twins and triplets, are ongoing.
Bed rest and medications that relax the muscles in the uterus are also commonly used to try to stop preterm labor.
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