Ultrasound-Indicated Cerclage in Twin Pregnancies: A Cohort Study

<div>The Kaplan-Meier survival curves on gestational age at delivery between singleton and twin pregnancies with preoperational cervical <svg height="12.7112pt" id="M85" style="vertical-align:-3.403299pt" version="1.1" viewbox="-0.0498162 -9.3079 60.5631 12.7112" width="60.5631pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M238 0V26C174 32 166 38 166 104V712C132 700 70 683 18 677V653C81 647 87 645 87 577V104C87 38 78 32 15 26V0H238Z"></path></g><g transform="matrix(.013,0,0,-0.013,3.289,0)"><path d="M380 106C343 72 306 56 265 56C195 56 116 112 115 248C235 252 361 262 377 265C396 269 400 277 400 297C400 374 333 449 250 449H249C198 449 144 421 103 376S37 269 37 201C37 88 109 -12 232 -12C263 -12 332 6 395 84L380 106ZM225 412C281 412 315 364 314 312C314 297 308 292 290 292C232 290 176 289 120 289C135 370 180 412 225 412Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.814,0)"><path d="M524 0V26C466 32 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BioMed Research International

Ultrasound-Indicated Cerclage in Twin Pregnancies: A Cohort Study

Figure 3