Predictive accuracy of serial transvaginal cervical lengths and quantitative vaginal fetal fibronectin levels for spontaneous preterm birth among nulliparous women

Sean Esplin, M., Elovitz, M. A., Iams, J. D., Parker, C. B., Wapner, R. J., Grobman, W. A., … Reddy, U. M. (2017). Predictive accuracy of serial transvaginal cervical lengths and quantitative vaginal fetal fibronectin levels for spontaneous preterm birth among nulliparous women. Obstetrical and Gynecological Survey. Lippincott Williams and Wilkins. https://doi.org/10.1097/OGX.0000000000000455