Wondfo Pregnancy Test Strips and Ovulation Test Strips Combo Over 99% Accuracy - Fast and Reliable The value pack of ovulation and pregnancy test strips is specially designed for customers who are trying to get pregnant naturally. All strips all are FDA-Approved and over 99% accurate. Tracking ovulation surges with our ovulation test strips can help customers predict their most fertile days, and the pregnancy test strips give the results. Our products are extremely easy to use. Simply dip the test in urine for 3 seconds, and levels of HCG as low as 25mIU/ml can be detected within 3 - 5 minutes.