LADIES HELP PLEASE!!!!

Me and my husband have been trying to conceive for about a year now. I have taken numerous tests for ovulating and pregnancy everyday and I'm also late for my period but they all come negative. I'm not sure if I just didn't ovulate ,or maybe it's too early to show up because of implantation. I just need some advice On how to track my ovulation better. Please help,we so desperately want our rainbow baby. Rainbow 🌈 👶🏼 😖