<style face="normal" font="default" size="100%">Cervical stitch (cerclage) for preventing preterm birth in singleton pregnancy.</style>

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<style face="normal" font="default" size="100%">Cervical stitch (cerclage) for preventing preterm birth in singleton pregnancy.</style>

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17

<style face="normal" font="default" size="100%">Fetal and umbilical Doppler ultrasound in high-risk pregnancies.</style>