14 Days late 😳

I’m 5.5 months postpartum with my first baby and have had 2 decently regular periods. I’m now 14 days late for my period, am cramping pretty badly tonight, but keep getting negative home test results. I just got bloodwork done today to see if I’m pregnant but the wait is killing me. Anyone else have something similar happen? Were you pregnant? Or just wonky hormones?