Obstetrics & Gynecology

Group B Strep Prophylaxis

Determine need for intrapartum GBS antibiotic prophylaxis

Share with colleagues

Input Parameters

GBS Culture Status (35-37 weeks)

Previous Baby with GBS Disease

GBS Bacteriuria This Pregnancy

Gestational Age (weeks)

Rupture of Membranes Duration (hours)

Intrapartum Fever ≥38°C

Clinical Note (Optional)

0/500 characters

Other evidence-based tools commonly used alongside this calculator

Amniotic Fluid Index (AFI)

Assess amniotic fluid volume using four-quadrant technique

Estimated Fetal Weight (EFW)

Estimate fetal weight using Hadlock formula from ultrasound measurements

Shoulder Dystocia Risk Assessment

Assess risk factors for shoulder dystocia

Bishop Score

Predicts success of labor induction by assessing cervical favorability