interactive tools
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Labor Probability Calculator New
Personalized day-by-day probability chart for spontaneous labor onset from today. Adjusted for 10+ clinical factors: BMI, parity, cervical length, dilation, effacement, prior preterm/post-term history, twins, and more. Rosenbloom 2019, Iams 1996, Romero et al.
CalculatorSurvival Model
Preterm Birth Decision Support New
Evidence-based clinical decision support for spontaneous preterm birth risk assessment, cervical length interpretation, and management pathways including vaginal progesterone and cerclage. Romero, Hassan et al.; SMFM 2016.
Decision SupportRomero
Cervical Length Percentile Explorer New
Interactive normative percentile curves (5th–95th) for transvaginal cervical length at 16–40 weeks. Compare Romero/Gudicha 2021 (N=5,188) and Iams 1996 MFMU curves. Plot patient CL with instant percentile interpretation. SMFM 25 mm threshold shown.
Evidence ExplorerRomero
Pregestational Diabetes Antepartum Checklist New
Interactive antepartum checklist for Type 1 and Type 2 diabetes. Covers all trimesters, delivery planning, and postpartum transition. Generates dated visit summary. SMFM Special Statement, Pregnancy 2026;2:e70264.
ChecklistSMFM 2026
Perinatal Antidepressant Decision Support New
PETRUSHKA-inspired personalized antidepressant selection for preconception, pregnancy, and postpartum. Combines clinical predictors with patient side-effect preferences. Built-in PHQ-2 screener. Cipriani et al. JAMA 2026, ACOG CPG No. 5 2023, LactMed 2025.
Decision SupportRCT
Finding the Right Antidepressant for You New
Patient-facing personalized antidepressant guide. Matches medicine to individual side-effect priorities through a 5-step interactive tool. PETRUSHKA trial — reduced early stopping from 27% to 17%. Cipriani et al. JAMA 2026;335(14):1219–1231.
RCTPatient Tool
The Vanishing Normal Weight
U.S. prepregnancy obesity and normal weight trends by race/ethnicity, 2016-2024. 32.7 million births from CDC natality data.
Data Explorer5 Languages
PAS Screening & Evaluation Tool
Placenta accreta spectrum risk calculator with Placenta Accreta Index (PAI) scoring (AUC 0.87), PAS2 consensus imaging protocol, and 7-marker ultrasound checklist.
Risk CalculatorPAI Validated
Atonic PPH Risk Assessment
19 risk factors with pooled odds ratios from meta-analysis. Calculates combined OR, estimated probability, and suggested actions.
Risk Calculator7 Languages
ASPRE Aspirin Eligibility Screener
First-trimester risk stratification for preterm preeclampsia. Enter maternal history, MAP, UtA-PI, PAPP-A, and PlGF to assess aspirin eligibility per ASPRE trial criteria (NEJM 2017, OR 0.38, P=0.004).
Risk CalculatorRCT
BAD Score — Postpartum Bleeding Risk
Predicts life-threatening bleeding at hospital admission. 7-factor score validated in 43,450 women across 22 countries. AUROC 0.80. Lancet Glob Health 2026.
Risk Calculator4 RCTs7 Languages
Vaginal Progesterone Evidence Explorer
IPD meta-analysis of 3 RCTs (n=686). Filter outcomes, view relative risks with CIs for short cervix without prior preterm birth.
IPD Meta-Analysis
Fetal Biometry Comparison Tool
Compare fetal measurements across standard biometry references. Visualize percentiles for BPD, HC, AC, FL, and EFW.
Data ExplorerBiometry
hCG Calculator
Calculate hCG doubling time and 48-hour rise. Evidence-based assessment using Barnhart 2004 and Morse 2012 thresholds by initial hCG level.
CalculatorEvidence-Based
WHO PPH Guidelines Navigator New
Interactive companion to the WHO 2025 consolidated guidelines for postpartum haemorrhage (first WHO·FIGO·ICM joint guideline). Bedside tool applies the new objective diagnostic criteria (≥300 mL plus a haemodynamic sign, or ≥500 mL) and the E-MOTIVE first-response bundle, plus a filterable explorer of all 51 recommendations across the care continuum. WHO 2025; Gallos et al. Lancet 2025; NEJM 2023;389:11-21.
Decision SupportWHO 2025
The Well-Woman Chart — Interactive New
The 2026 ACOG Foundation / WPSI Well-Woman Chart made interactive across all seven age bands. Pick patient or clinician, enter an age, and get exactly which preventive services apply — plain language for patients, full selective-screening criteria and recommendation source (USPSTF A/B, WPSI, Bright Futures) for clinicians. Dual audience, no login.
Patient + ClinicianWPSI 2026
NTSB Ob Safety Recommendations New
24 safety recommendations in NTSB format addressing structural deficiencies in American obstetric adverse outcome investigation. 7 domains: investigation infrastructure, reporting, methodology, standard of care, communication, system factors, and accountability. Report OB-SR-2026-01. Grünebaum 2026.
Safety ReportNTSB Model
ACOG vs AWHONN Labor Guideline Navigator
Side-by-side comparison of ACOG and AWHONN guidance across FHR monitoring, uterine activity, oxytocin management, and labor protocols. 14 discrepancies, 8 agreements, 1 critical gap on tachysystole.
Evidence ExplorerGuideline Review
Recurrent Pregnancy Loss Navigator New
Turns the 2026 ASRM Recurrent Pregnancy Loss Committee Opinion into a personalized navigator. Enter the chromosome result of the most recent miscarriage, number of losses, and risk factors to get an individualized testing panel (recommended / consider / avoid) and a treatment landscape (works / uncertain / no benefit), with patient and clinician views. ASRM Practice Committee. Fertil Steril 2026.
Decision SupportGuideline
Do Your Eyes Need an Exam? New
Interactive screening tool for ocular assessment. Identifies risk factors for eye disease from medical history, visual symptoms, and pregnancy status. Covers 21 conditions with evidence-based referral timing. Includes pregnancy-specific trimester guidance. Grunebaum 2026, Nguyen Clin Exp Optom 2025, Timtim Retina 2025.
ScreenerEvidence-Based
IVF Success Estimator
Year-by-year age-based IVF live birth estimates adjusted for diagnosis, BMI, prior cycles, transfer type, and PGT-A. Dual patient/clinician views. CDC NASS 2022, SART CORS, Gaskins et al. AJOG 2023.
CalculatorData Explorer