What is happening when the line for LH starts fading away? Does it mean the egg dropped, already ovulated? Sorry if it sounds stupid just want to know

Melanie • Im a wife and mommy to 2 boys and we are trying for one more baby ✨ We are a couple who have been through the darkest times and we believe the best is yet to come We have overcome the unthinkable and strive to live our best life together with love ❤️ Pray