A prophylactic cerclage for an incompetent cervix is usually placed at:

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A prophylactic cerclage is usually placed at 11 to 15 weeks of gestation.The cerclage is electively removed when the woman reaches 37 weeks of gestation or when her labor begins.Six to 8 weeks of gestation is much too early to place the cerclage.Cerclage placement is offered if the cervical length falls to less than 20 to 25 mm before 23 to 24 weeks.Although no consensus has been reached,24 weeks is used as the upper gestational age limit for cerclage placement.

A Prophylactic Cerclage for an Incompetent Cervix Is Usually Placed