All calculations must be confirmed before use. The suggested results are not a substitute for clinical judgment. Neither perinatology.com nor any other party involved in the preparation or publication of this site shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.
 

Pregnancy Related Calculators

• Age-adjusted Ultrasound Risk Assessment for Fetal Down Syndrome
• Ballard Score
• Bishop Score
• Calculated Blood Loss (cEBL) Calculator
(BETA TESTING)
• Carrier Frequency (Hardy-Weinberg)
• Congenital Pulmonary Airway Malformation Volume Ratio (CVR) Calculator-
• Corrected Calcium
• Corrected Sodium and Effective Osmolality
• Crown Rump Length and Nuchal Translucency
• Due Date form Ultrasound Report
• Echocardiogram Z Score  (NEW)(BETA TESTING)
• Edinburgh Postnatal Depression Scale
• Expected Peak Velocity of Systolic Blood Flow through MCA
• Fetal Biometry
• Fetal Length
 
• Fetal Nasal Bone (BETA TESTING)
• Fetal Age on a Given Date (BETA TESTING)
• Gestational Diabetes:Caloric Requirements and Initial Insulin Dose
  Calculates energy needs,body mass index,recommended weight gain, and initial insulin dose when necessary.
• HCG doubling time
• Iron Deficit Calculator
• Insulin Adjustment During Betamethasone Treatment
• Intensive Multiple Daily Injections (MDI)
• Insulin Pump (Based on Sweet Success Recommendations)
• Insulin Pump
• The Lung area to Head circumference Ratio (LHR)
• Maternal Age at Expected Date of Delivery
 
• Midtrimester Risk for Chromosome Abnormalities
• Neonatal Morbidity According to Gestational Age
• Pregnancy Due Date Calculator
• Probability of Preterm Delivery after in Utero Transfer
• Quantification of Blood Loss (QBL) Calculatr
• Sepsis Calculator
• Skeletal Survey (NEW)(BETA TESTING)
• Theoretical Age Related Risk of Chromosome Abnormality in Multiple Gestation  
• Twin Discordance
• Umbilical Artery Doppler Reference Ranges
• Urine Protein to Creatinine Ratio (UPCR) Calculator
  More Pregnancy Related Calculators
   
  • Chance for a successful VBAC
    NICHD MFMU Network
    
  • Extremely Preterm Birth Outcome Data
    NICHD Neonatal Research Network (NRN)
     
  • DJR Hutchon,MD
    • Fetal health assessment - decision support
    • Risk of Down syndrome using second trimester US markers
    • Risk of Abruptio Placentae
       
  • Fetal Cardiac Dimensions Calculator
  
  Source: University of Pennsylvania
   
  • NIPT/Cell Free DNA Screening Predictive Value Calculator
    http://www.perinatalquality.org
     
  • Obstetric Algorithms
    Source:The Medical Algorithms Project
     
  • Michael Hewson MD Wellington Hospital, New Zealand
    • NICU Tools
       
  • RhIG Dose Calculator
    • Excel Spreadsheet http://www.cap.org/apps/docs/committees/transfusionmedicine/RHIGcale.zip
    Source:College of American Pathologists
     
  • Twin Preterm Birth Calculator
    Source: Maternal Fetal Medicine Associates