| No randomized studies have shown that use of tocolytic therapy after cerclage is effective. |
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| Reports conflict over the value of prophylactic, therapeutic, or rescue cervical cerclage for women at risk of preterm labour because of cervical incompetence. |
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| Cervical change noted before fetal viability is a better indication for cerclage than if it is identified after fetal viability has been achieved. |
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| Those with a history of multiple gestations, ruptured membranes, history of cervical cerclage, signs of preterm labor or serious medical problems were excluded. |
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| Also known as introital cerclage, the procedure involves permanent suturing of the introitus, and is often performed in conjunction with vaginectomy. |
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