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The article states that Shirodkar cerclages are permanent and require a c-section for delivery. This is wholly not true. Shirodkar are NOT NECESSARILY permanent - the CAN be permanent, but they can also be taken out at 36 wks like a McDonald cerclage. This should be corrected in the article.
The American College of Obstetricians and Gynecologists currently recommends against the placement of cerclage in patients with multiple gestations. The introduction states that cerclages are used "for women carrying more than one baby."
American College of Obstetricians and Gynecologists. "Cerclage for the management of cervical insufficiency." ACOG Practice Bulletin 142 (2014).