A member asked:

What does it mean if the control line is darker than the test line on an ovulation test?

A doctor has provided 1 answer
Dr. Tina Koopersmith answered

Specializes in Fertility Medicine

A NEGATIIVE test: For an ovulation test to be positive, the test line must be the same or darker than the control line. If so, ovulation should occur in 1-2 days. If the test line is lighter, keep on testing until you see a positive test.

Answered 8/18/2017

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