A member asked:

How accurate it's the clear blue easy weeks estimator when used with first morning urine? do you have to add the 2 wks?

A doctor has provided 1 answer

99% accurate: The clear blue easy weeks estimator is 99% accurate at determining pregnancy, when testing from the day of the expected period. The test tells you how many weeks based on time since ovulation. To obtain gestational age (what your OB will go off of since your last menstrual period), add 2 weeks.

Answered 6/10/2014

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