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What is Cervical cerclage is advised in an antenatal woman with a prior preterm bih if the cervical length measures and explain in detail?
Cervical length screening is now recommended by both the American College of Obstetricians and Gynecologists (2016b) and the Society for Maternal-Fetal Medicine (2015) for women with prior preterm bih.Between 16 and 24 weeks' gestation, sonographic cervical measurement is completed every 2 weeks.If an initial or subsequent cervical length is 25 to 29 mm, then a weekly interval is considered.If the cervical length measures <25 mm, cerclage is offered to this group of women. Notably, for women without history of preterm bih but with a sho cervix incidentally identified sonographically, progesterone therapy is offered instead of cerclage.Reference: William's Obstetrics; 25th edition; Chapter 18; Aboion