OpiCalc Logo

OpiCalc

1163 Clinical Tools

Logo
OpiCalc
APGAR ScoreAssisted Delivery (FIGO)BPP (Manning Score)Bishop ScoreCARPREG II Cardiac RiskCervical Cancer StagingContraceptive Pearl IndexDoppler Matrix (UA/MCA)EFW (Hadlock)Endometrial StagingEndometrial ThicknessFGR Criteria (Consensus)FSFI (Sexual Function)Ferriman-Gallwey ScoreFetal Anemia (MCA PSV)GDM Diagnostic CriteriaGPA History IndicatorGail Model Breast RiskGestational Dating (LMP)HIV PMTCT ProtocolIOTA Simple RulesIVF Due Date & AMHIron Deficit (Ganzoni)Labour Progress (WHO)Maternal Sepsis (qSOFA)O-RADS ClassificationOvarian Cancer StagingPAS Hemorrhage RiskPPH Protocol (FIGO)Preeclampsia (ACOG)Rho(D) Dose (K-B)Rotterdam PCOS CriteriaSyphilis ManagementTORCH FrameworkVBAC Success ProbabilityVulvar Cancer StagingWeight Gain (IOM)mWHO Cardiac Risk
OpiCalc Logo

OpiCalc

Easy, fast, and private medical tools for doctors. Always free.

Non-Custodial
bedside-Ready

Resources

About UsEditorial PolicyMedical DisclaimerPrivacy PolicyTerms of UseCookie Policy

Support

Contact Us

Response time:
Typically < 24 hours.

Clinical Notice:Calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for professional clinical judgment. OpiCalc is an auxiliary reference tool for qualified healthcare professionals.

OpiCalc © 2018-2026

•

All Rights Reserved

Validated • Peer-Reviewed • Instant

Recent Journal Updates

DiabetologiaApr 15, 2026
Nature vs nurture of glucose homeostasis trajectories in children from the ALSPAC study

Clinical Context

Broad domain relevance to Preeclampsia Risk.

DiabetologiaApr 13, 2026
Updates on paediatric MASLD: insights from an endocrine lens

Clinical Context

Broad domain relevance to Preeclampsia Risk.

DiabetologiaMar 14, 2026
The glycaemic response to morning fasted resistance exercise is more consistent than the response to afternoon fed resistance exercise for adults with type 1 diabetes: a randomised crossover comparison

Clinical Context

Broad domain relevance to Preeclampsia Risk.

Preeclampsia (ACOG)

Diagnostic Thresholds

Severe Features (ACOG)

NORMAL RANGE

Obstetric Classification Framework

Guidelines & Evidence

E-E-A-T Verified

Last Review: 2026

When to Use

When to Use

Evaluation of pregnant patients ≥20 weeks gestation with new-onset hypertension.
Assessment of postpartum patients (up to 6 weeks) presenting with hypertension or headache.
Differentiating gestational hypertension from preeclampsia.
Identifying preeclampsia with severe features requiring immediate hospitalization.

Blood Pressure Thresholds

Diagnosis requires Systolic BP ≥140 mmHg or Diastolic BP ≥90 mmHg on two occasions at least 4 hours apart. Severe range BP (≥160/110) can be confirmed within minutes to facilitate rapid antihypertensive therapy.

Last Comprehensive Review: 2026

Related Obstetrics Tools

Carotid Stenosis
AAA Risk
Brugada Criteria
GRACE Score
ACS NSQIP Risk
TTKG
Preventive Screening
Lysholm Knee Score
Lille Model
TACO Risk Score
MMSE
Anion Gap
Obstetrics CalculatorsInternal Medicine CalculatorsEmergency Medicine Calculators
Have feedback about this calculator?Let us know.