So I found out I was pregnant 2 weeks ago as I thought I was 3 weeks when I calculated it and on Sunday i was 4 weeks and 6 days I went to the hospital was cramping and spotting so I told the doctor what’s going on I went to ultrasound and come to found out I’m 5 weeks and 4 days at the time and my period was on September 21 instead of the 26 and my ovulation wasn’t the 10 it’s was the 5th which I had sex on the 3rd I was in shocked Have anyone else experience having your period date and ovulation date wrong