Weird symptoms

I don’t know what my body is doing right now. Ever since the miscarriage I feel like I’ve had to relearn my body all over again. I just got off my period a few days ago (which it came on a day early), and now I’m experiencing sore breasts and mild cramping. I’ve never had sore breasts AFTER my period before and I’ve never had any cramps right after my period. It’s usually 2 weeks after. My husband and I have been trying to conceive our rainbow baby and needless to say I was heartbroken to see I had gotten my period especially when I was sure we had nailed it this time with my fertile window. So now I’ve got this going on, not to mention the nausea, immediately after my period. I feel like my body is teasing me 😞. Has anyone else experienced this?