Abstract
Purpose of the Study
To estimate and to compare the levels of cervical phIGFBP-1 among primigravida with prolonged pregnancy, with and without successful induction of labor (IOL).
Methods
A diagnostic study (cross-sectional study design) was conducted in our institution from November 2016 to April 2018 on 84 primigravida at ≥ 41 weeks with uncomplicated singleton pregnancy. The results were analyzed using SPSS software and receiver operating characteristics curves to determine the best cutoff using Youden Index. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), positive (+ LR) and negative likelihood ratio (− LR) were calculated. P value < 0.05 was considered significant. Logistic regression analysis was used to determine the predictive ability of the three markers for successful IOL.
Results
The cutoff level of phIGFBP-1, Bishop score (BS) and transvaginal cervical length (TVL) were 7.8 µg/l, 3 and 3.5 cm, respectively. The sensitivity, specificity, PPV, NPV, + LR and − LR of phIGFBP-1 (> 7.8 µg/l) were 0.87, 0.87, 0.89, 0.85, 6.76 and 0.15, respectively. Using logistic regression analysis, phIGFBP-1 was found to be the best predictor of successful IOL (OR 44.200; 95% CI 12.378–157.831, p < 0.001).
Conclusion
phIGFBP-1 is a strong independent predictor successful IOL as compared to TVL and BS in primigravida with prolonged pregnancy.
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This study was conducted at UCMS & GTB hospital, Delhi, India.
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Aayushi Rathore is a Resident at Department of Obstetrics and Gynecology, UCMS & GTB Hospital, Delhi, India; Richa Sharma is a Assistant Professor at Department of Obstetrics and Gynecology, UCMS & GTB Hospital, Delhi, India; Rajarshi Kar is a Assistant Professor at Department of Biochemistry, UCMS & GTB Hospital, Delhi, India; Anupama Tandon is a Associate Professor at Department of Radio-Diagnosis, UCMS & GTB Hospital, Delhi, India; Amita Suneja is a Director Professor and Head at Department of Obstetrics and Gynecology, UCMS & GTB Hospital, Delhi, India; Kiran Guleria is a Director Professor at Department of Obstetrics and Gynecology, UCMS & GTB Hospital, Delhi, India.
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Rathore, A., Sharma, R., Kar, R. et al. Role of Cervical Phosphorylated Insulin-Like Growth Factor-Binding Protein 1 (phIGFBP1) for Prediction of Successful Induction Among Primigravida with Prolonged Pregnancy. J Obstet Gynecol India 71, 38–44 (2021). https://doi.org/10.1007/s13224-020-01372-y
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DOI: https://doi.org/10.1007/s13224-020-01372-y