So came off the pill (previously on depo injection) my cycle dropped from 45 to 37 to 33 to now 30 and I’m half expecting it to drop to 28 this month me and partner had intercourse 9th of this month, from the 17th-20th I had period like pain and feeling heavy at bottom of tummy could of sworn my period was about to start, I believe I ovulated the 10th (day after we had intercourse) done a Tesco pregnancy test I had lying around period is not due for 5-7 days depending on when my period falls this month can anyone help