Calculator
mIU/mL
mIU/mL
hours
Results
Doubling Time31.1 hours
(1.3 days)
AssessmentNormal — doubling faster than 48 hours
Normal early pregnancy: 48-72 hour doubling
Total Increase191.7%
Over 48 hours
Daily Growth Rate70.8%/day
First Level120 mIU/mL
Second Level350 mIU/mL