1074 Cervical length nomogram in hispanic patients

Diken, Zaid; Saad, Antonio F.; Saade, George R.; S, Jacobs; Khan, Maryam Ali; Wang, Amanda

doi:10.1016/j.ajog.2020.12.1099

Cited by 1 publication

(1 citation statement)

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“…Singleton normograms enable comparison of 5 th percentile values between the different populations. The 5 th percentile for cervical length between 16-24 weeks of gestation was found to be 27 mm in Chicago, 30 mm in an American Hispanic population, 30.6 mm in a Thai population, 28 to 29 mm in South Africa, 25 mm in Switzerland, 32-25 mm in Paris, 30 mm in Iran, and between 30-33 mm in Brasil ( 9 , 20 , 21 , 22 , 23 , 24 , 25 ). In our large cohort, the overall 5 th percentile of cervical length was 30 mm between 16-24 weeks of gestation, including both singleton and twin pregnancies.…”

Section: Discussionmentioning

confidence: 95%

Centile charts of cervical length in singleton and twin pregnancies between 16 and 24 weeks of gestation

Akar¹,

Ceylan²,

Kahraman³

et al. 2023

J Turkish German Gynecol Assoc

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Objective: The aim of this study was to determine the standard mid-trimester cervical lengths of singleton and twin pregnancies. Material and Methods: This study was conducted by retrospective analysis of mid-trimester transvaginal cervical measurements of women with singleton and twin pregnancies that were examined by a single perinatologist in a single center. Results: A total of 4621 consecutive asymptomatic pregnant women admitting for advanced obstetric ultrasound screening were evaluated. Of these 4340 (93.9%) were second trimester singleton pregnancies and 281 (6.1%) were twin pregnancies and were included. Mean cervical length measurements of singleton and twin pregnancies were 38.2±6.5 mm and 37.6±7.2 mm respectively (p=0.17). Overall, the 5 th percentile of cervical length measurement after analysing singleton and twin pregnancies together was 29.4 mm at 16 weeks, 30 mm at 17 weeks, 30 mm at 18 weeks, 30 mm at 19 weeks, 30 mm at 20 weeks, 30 mm at 21 weeks, 30 mm at 22 weeks, 31 mm at 23 weeks, 29 mm at 24 weeks. Conclusion: In our population the 5 th precentile value of cervical length which is 30 mm in singletons and 10 th percentile cervical length which is 31 mm in twins can be used to follow-up and treat pregnant women at risk for preterm delivers.

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