A member asked:

Using ovulation test strips to pinpoint my lh surge. positive on 9/21 but my calendar says i ovulated on 9/19 i tested that day an got negative, help?

A doctor has provided 1 answer
Dr. Gerard Honore answered

Specializes in Fertility Medicine

Mix n' match: Don't be surprised: you are mixing testing methods, none of which is (are ) exact. If you checked cervical mucus you might get another answer, still. Generally the OPK is the most accurate test you can do at home; more reliable than the calendar method, and ultrasound is more reliable than opk.

Answered 7/24/2018

4.8k views

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