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Ginecología y obstetricia de México
Print version ISSN 0300-9041
Abstract
PADILLA-AMIGO,, Carla; LOPEZ-FELIX,, Jana; MARTINEZ-VILLAFANA,, Enrique and SIERRA-LOZADA, Nancy. Prediction of fetal growth restriction with the 11-14 sieve algorithm. Ginecol. obstet. Méx. [online]. 2022, vol.90, n.1, pp.1-7. Epub May 30, 2022. ISSN 0300-9041. https://doi.org/10.24245/gom.v90i1.6302.
OBJECTIVE:
To evaluate the efficacy of the Fetal Medicine Foundation calculator to determine the risk of fetal growth restriction in pregnant women attended at Hospital Ángeles Lomas considering birth weight below the 10th percentile and below the 3rd percentile.
MATERIALS AND METHODS:
Retrospective, cross-sectional, analytical cohort study performed in patients who attended the Maternal-Fetal Medicine Clinic of Hospital Ángeles Lomas in 2019 for ultrasonographic evaluation at 11-14 weeks. In patients with singleton pregnancy, the "Duo Test" to calculate the risk of fetal growth restriction was combined with the Fetal Medicine Foundation tool. The result was compared with birth outcomes for fetal weight percentiles below 10 and 3.
RESULTS:
352 patients were studied and 42 (11.9%) were at high risk for fetal growth restriction. Birth weight was at the corresponding percentile according to the Fenton tables. A percentile below the 10th percentile was obtained with sensitivity of 16%, specificity of 90%, positive predictive value of 42%, negative predictive value of 70% and below the 3rd percentile: sensitivity of 32%, specificity of 88%, positive predictive value of 19%, negative predictive value of 94%.
CONCLUSIONS:
Sensitivity was lower than that published by the Fetal Medicine Foundation although the results were similar, with statistical significance and possibility of identifying a significant number of patients who resulted with fetal growth restriction.
Keywords : Prediction; Fetal growth restriction (FGR); Small for gestational age (SGA); Screening; Ultrasound 11-14; Uterine arteries.