A–Z Glossary

Uterine overdistension

Uterine overdistension occurs when the uterus is stretched more than usual, increasing its tendency to contract prematurely.

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Preterm labor causes and risks

Preterm labor causes and risks

What preterm labor means Preterm labor is generally defined as labor that begins before 37 completed weeks of gestation. Clinically, this means regular uterine contractions accompanied by cervical change, such as dilation or effacement. This distinction matters because many pregnant people experience Braxton Hicks contractions or transient uterine irritability, particularly in the third trimester, without […]