Miscarriage Risk Calculator
Estimate the risk of miscarriage based on maternal age and gestational age using a validated statistical model.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Miscarriage Risk Calculator
This tool estimates miscarriage risk based on your maternal age and gestational age. Follow these steps:
- Enter Maternal Age (years): Input your age between 15 and 55. Use whole numbers only.
- Enter Gestational Age (weeks): Input current pregnancy week between 4 and 42. You can use half-weeks (e.g., 8.5).
- Click "Calculate Risk": The calculator will process your inputs and display the estimated risk percentage.
- Review Results: The output shows your risk level (low, moderate, or higher) with a brief recommendation. The "How It's Calculated" section explains the model.
Note: All inputs are required. Invalid entries (outside ranges or empty fields) will show error messages. The calculator uses a simplified model based on published studies—always consult your healthcare provider for personalized advice.
Previous Results
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Frequently Asked Questions
This calculator provides a statistical estimate based on published research on miscarriage rates by maternal age and gestational age. It is not a substitute for professional medical advice. Individual risk can vary based on many factors not included here.
Maternal age and gestational age are two key factors. Other factors include previous miscarriage history, chronic health conditions, infections, and lifestyle factors. Always consult your healthcare provider for a personalized assessment.
Miscarriage risk is highest in early pregnancy, particularly before 12 weeks. The risk decreases significantly after 12 weeks and continues to drop as pregnancy progresses.
