So for background I had a miscarriage at the end of February and got right back on the TTC horse. Have no idea when I ovulated, and my period was late by 4 days. Tested and BFN. Finally AF arrived, and despite it being heavy it just didn't feel 'normal'. My period finished 4 days ago, and I still don't feel right, sleepy all the time, very extreme heartburn, HUGE veins in my breasts so I tested. 25mui sensitivity, not first urine of the day, popped up within 2 mins. Someone explain the biology of what's happening to me??