HCG Doubling Twins Calculator
Specialized calculator for twin pregnancy assessment
Twin Pregnancy Analysis
Twin Pregnancy Likelihood
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Doubling Time
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HCG Increase Rate
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Initial Level
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Final Level
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Twin Pregnancy Indicators
Rapid Doubling
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High HCG Levels
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Fast Rise
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Detailed Twin Assessment
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Multiple Pregnancy Breakdown
Probability distribution based on your HCG patterns
Twin Pregnancy HCG Reference
Typical Twin Doubling:
30-48 hours
Twin HCG at 4 weeks:
200-600 mIU/mL
Twin HCG at 5 weeks:
1,000-5,000 mIU/mL
Twin HCG at 6 weeks:
5,000-15,000 mIU/mL
High Twin Indicator:
<36 hour doubling