A member asked:

How many days in a row is it normal to have a positive ovulation test?

A doctor has provided 1 answer
Dr. Amr Azim answered

Specializes in Fertility Medicine

Variable 12h to 3d: Ovulation test detects a surge of the hormone lh in urine. Lh starts to rise approximately 32-36 hours before ovulation and reaches a peak 24 hours before ovulation then falls sharply. So its detection depends on the accuracy of the test and when did you do it at the beginning, height or end of the surge.

Answered 12/17/2014

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