Problems with the patch..😩

Ok so ive been on the patch for about 4 months now maybe a little longer. I never had problems with it at first only sore boobs. Well for the last few weeks my skin has become super irritated under the patch it itches constantly and every time i take one off it is super red and bumpy underneath it and takes over a week to heal back to normal. I always rotate spots like your suppose to and everything. It also keeps falling off either at night or in the shower or just starts peeling up.. and im not doing anything different than i was in the beginning when it worked perfectly. Ive also been spotting almost constantly the last few weeks. I dont have a period i always put a patch on the fourth week, which was ok'd by my doc, she even suggested it. But this month i just had a random period.. idk what is up with it but has anyone else experienced these problems?? I really like the idea of not having to remember a pill everyday but i cant take much more of this! The only reason im even on bc is because ive had recurrent miscarriages..and im waiting for my husbands job insurance to kick in so i can get some testing done..