I tested 3 OPK’s on same l urine and ..

Theodora • TTC # 1 IVF 🙏 Unexplained infertility/endometriosis

They all showed different levels of LH. One was practically invisible and the other two much stronger but none were even close to each other. Then I tried the digital and I get a flashy face. Can someone help me? I don’t understand when the best time is to test and which test to trust the most. Thanks to anyone who can help!