Ectopic pregnancy

So I have had a caesarean section scar ectopic pregnancy I've never heard of it so don't no anything about it I was 6weeks an I've had to have methotrexate an now I'm waiting to see if I bleed an get cramps but I've not had anything so I'm going back to the hospital in a few days for more bloods an scan but as anyone else gone though this ? Is so it would be nice to hear your story please as I'm feeling lost