Preterm Labor : Articles
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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. The usual length of a human pregnancy is from 37 to 42 weeks after the first day of the last menstrual period.
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Premature labor is the term to describe contractions of the uterus that begin at 20-36 weeks of a pregnancy . The usual length of a human pregnancy is 38-42 weeks after the first day of the last menstrual period.
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