How to use ovulation test paper correctly for accurate detection. As a simple and easy-to-use ovulation detection tool, ovulation test paper is favored by more and more women. But how exactly do you use ovulation test strips for accurate detection? This article will give you detailed answers on the selection, use time, usage and storage methods of test strips. Aspect 1: Selection of test strips First of all, it needs to be made clear that the quality of ovulation test strips on the market varies. Faced with a dazzling array of products, it is difficult to choose one.