Not sure what’s going on... Need an opinion pls! 🤦🏻‍♀️

So I supposedly ovulated on the 5th of April, which now makes me 8dpo. I had a cramp on Tuesday (5dpo) which lasted from late morning till pretty much the minute I fell asleep. Wasn’t as bad when I woke up, then it disappeared through out the day. Felt like my abdomen was really heavy, and when I BD’d it was quite uncomfortable. But of course at 6dpo when the cramp was gone, everything was fine again when we BD’d that night. Was also pretty tired & at 7dpo was abnormally moody + a few twinges ilhere . Every little thing got to me... But AF isn’t due for another week. What could it be?