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Preterm Labor Learning Center
Preterm labor is characterized by contractions or irritability of the uterus between weeks 20-36 of gestation that cause effacement and/or dilatation of the cervix.
If labor starts at 37 weeks or earlier, it is considered preterm or premature labor. Babies born prematurely have a greater chance of...
When membranes in the amniotic sac rupture after 37 weeks of pregnancy it's known as premature rupture of membranes. Read about the signs...
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