Ovulation bleeding may have an impact on ovulation test strips, because ovulation bleeding is a normal physiological phenomenon, but it may affect people's prediction of ovulation.

However, sometimes women experience ovulation bleeding, which is often called "breakthrough bleeding." Breakthrough bleeding refers to breakthrough bleeding within a short period of time after the egg is released. This phenomenon is usually caused by the pressure and tension within a woman's body after the egg is released.

Although breakthrough bleeding does not affect the actual release of an egg, it may affect a person's use of ovulation test strips. Because ovulation test strips predict egg ovulation by detecting the concentration in urine, breakthrough bleeding may cause the concentration in urine to decrease, thus affecting the accuracy of the test results.

Therefore, if a woman experiences ovulation bleeding in the middle of her cycle, it is best to stop using the ovulation test strips and then restart use after the bleeding ends. If a woman doesn't experience ovulation bleeding during her cycle but is concerned it might affect her test results, talk to her doctor.