Symptoms

Greetings. I'm 43. We've been TTC for about 15 months now. I've had 2 MCs since Christmas. I am CD 23, and having some symptoms. I refuse to test until or if I'm late. But my question is how early can you start feeling symptoms? I'm a 28 day cycle religiously. My back is hurting, boobs are tingling, super tired and yesterday, I thought for sure my breakfast was coming back to greet me. Some of these I've had with my AF impending visits, but something feels off. Could I feel symptoms this early? Thanks.