1 month supply. Get pregnant sooner (based on directions for use)! Predicts your 2 most fertile days. No more guessing cycle days! Over 99% accurate (over 99% accurate in detecting the LH surge in laboratory studies). First Response Ovulation and resolve. Working together to help build your family. If you are trying to build a family and it is not happening as quickly as you expected, you probably have many questions. First Response is a proud sponsor of Resolve: The National Infertility Association. Resolve (Resolve does not endorse specific products or brands) is the nonprofit organization that since 1974 has been dedicated to providing the compassionate support, advocacy and education you need when faced with pregnancy challenges. Learn. Cope. Take action. Contains 20 test sticks for a month of testing. First Response Daily Ovulation Test takes the guesswork out of finding your peak fertility days because you begin testing immediately the day after your period ends. Then you can test daily for the next 20 days. Why test for LH surge? Your two most fertile days begin with the LH surge. Therefore, you are most likely to become pregnant if you have intercourse within 24-36 hours after you detect your LH surge. LH surge. The presence of two similar pink lines means you have detected your LH surge. The test line may be darker than the reference line. No LH surge. The presence of one line, or two lines with the test line lighter than the reference line, indicates that you have not yet reached your LH surge. This kit contains 20 First Response Daily Ovulation Test sticks and instructions (English and Spanish).

First Response Daily Ovulation Predictor Test Kit for women to detect their hormone surge.

This test line may be darker than the reference line.

It is over 90% of ovulating women to detect their hormone surge.