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preterm labor

Labor that begins after 20 weeks and before 37 weeks of pregnancy.

PREE-turm LAY-ber noun

What it means

Regular contractions open the cervix before the baby is ready to be born. Babies born early may have trouble breathing, feeding and keeping warm. Treatment may include drugs to slow contractions for a short time and steroids given to the mother to help the baby's lungs mature.

For the nurse

Teach pregnant clients to report regular tightening of the belly, low dull backache, pelvic pressure, cramps or a change in vaginal discharge before 37 weeks.

At a glance

Spanishparto prematuro
Also writtenpremature labor

Related terms

uterine contraction

A tightening and then relaxing of the muscle of the uterus (womb), as happens during labor.

third trimester

The last part of pregnancy, from week 28 until birth.

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