References
- Royal College of Obstetricians and Gynaecologists (RCOG). Induction of labour in evidence-based clinical guideline number 9. London: RCOG Press; 2001
- ACOG Practice Bulletin No. 107: Induction of labor. Obstet Gynecol 2009;114:386–97
- Sherman DJ, Frenkel E, Tovbin J, et al. Ripening of the unfavorable cervix with extraamniotic catheter balloon: clinical experience and review. Obstet Gynecol Surv 1996;51:621–7
- Culver J, Strauss RA, Brody S, et al. A randomized trial comparing vaginal misoprostol versus Foley catheter with concurrent oxytocin for labor induction in nulliparous women. Am J Perinatol 2004;21:139–46
- Bishop EH. Pelvic scoring for elective induction. Obstet Gynecol 1964;24:266–8
- Maitra N, Sharma D, Agarwal S. Transvaginal measurement of cervical length in the prediction of successful induction of labour. J Obstet Gynaecol 2009;29:388–91
- Owen J, Yost N, Berghella V, et al. Can shortened midtrimester cervical length predict very early spontaneous preterm birth? Am J Obstet Gynecol 2004;191:298–303
- ACOG Practice Bulletin No. 127 Management of Preterm Labor, June 2012
- Rane SM, Guirgis RR, Higgins B, Nicolaides KH. The value of ultrasound in the prediction of successful induction of labor. Ultrasound Obstet Gynecol 2004;24:538–49
- Pandis GK, Papageorghiou AT, Ramanathan VG, et al. Preinduction sonographic measurement of cervical length in the prediction of successful induction of labor. Ultrasound Obstet Gynecol 2001;18:623–8
- Ware V, Raynor D. Transvaginal ultrasonographic cervical measurement as a predictor of successful labor induction. Am J Obstet Gynecol 2000;182:1030–2
- Bueno B, Furtos LS, Medina TP, et al. The labor induction: integrated clinical and sonographic variables that predict the outcome. J Perinatol 2007;27:4–8
- Sonek J, Shellhaas C. Cervical sonography: a review. Ultrasound Obstet Gynecol 1998;11:71–8
- Maradny EE, Kanayama N, Halim A, et al. Stretching of fetal membranes increases the concentration of interleukin-8 and collagenase activity. Am J Obstet Gynecol 1996;174:843–9
- Gokturk U, Cavkaytar S, Danısman NJ. Prediction of successful labor induction by measuring cervical length, fetal head position and posterior cervical angle can be alternative method to Bishop Score? Matern Fetal Neonatal Med 2014;15:1–30
- Hiersch L, Yogev Y, Domniz N, et al. The role of cervical length in women with threatened preterm labor: is it a valid predictor at any gestational age? Am J Obstet Gynecol 2014;211:532.e1–9
- Melamed N, Hiersch L, Gabbay-Benziv R, et al. The predictive value of cervical length in women with twin pregnancies presenting with threatened preterm labor. Ultrasound Obstet Gynecol 2015;46:73–81
- Keepanasseril A, Suri V, Bagga R, Aggarwal N. Pre-induction sonographic assessment of the cervix in the prediction of successful induction of labour in nulliparous women. Aust N Z J Obstet Gynaecol 2007;47:389–93
- Sheiner E, Levy A, Feinstein U, et al. Obstetric risk factors for failure to progress in the first versus the second stage of labor. J Matern Fetal Neonatal Med 2002;11:409–13