AF is 4 days late and I took a hpt earlier (not with fmu) and it came out negative. I don't feel like my period is anywhere in sight and usually I can tell before I start. Well about a week ago I spotted for like maybe 5 mins if that. My nipples are super sore and I just want to sleep all day and I'm having mild back pain. Could I still be prego or is AF just extra late. (BTW AF is ALWAYS on time and I have never ever spotted like a week or 2 before my period) I just need help or advice. This has never happened before