Bishop Score Versus Cervical Length by Transvaginal Ultrasound for Predicting Success of Labor Induction Among Primigravida
Bishop Score Versus Cervical Length by Transvaginal Ultrasound for Predicting Success of Labor Induction Among Primigravida
The study population consists of term primigravida women undergoing induction of labor at a tertiary care referral center in Assiut, Egypt.
Participants include 88 primigravida women at ≥37 weeks of gestation, each with a singleton pregnancy in cephalic presentation. All participants present with medical or obstetric indications for induction of labor, such as post-dates, oligohydramnios, mild preeclampsia, or premature rupture of membranes. Exclusion criteria include prior uterine surgery, multiple pregnancies, malpresentation, placenta previa, vasa previa, non-reassuring fetal status at admission, or maternal infections such as active genital herpes and HIV. A carefully designed sample size calculation ensures adequate power, with a final cohort of 44 women per study arm.
Inclusion Criteria:
Cephalic fetal presentation
Gestational age ≥37 weeks (confirmed by reliable dating)
Indication for induction of labor (postdate pregnancy, oligohydramnios, mild preeclampsia, premature rupture of membranes)
Exclusion Criteria:
Multiple gestation
Malpresentation
Placenta previa or vasa previa
Non-reassuring fetal heart status at admission
Active genital herpes or HIV infection