Please helpp asapp amm worriedd ?

hey guys ok my last period was in nov and didnt have one ever since all my hpt are negatives but i think 2 weeks ago i was ovulation and i did have unprotected no he didnt *** in me and also 2 day ago again and this time he *** in me but i dont think i can get pregnant in 2 days anyways my was hurting for 2 days and stop today earlier i wipe and saw some bright red blood also for the past 2 days i felt like i was going to get my period but i only got some drops when i wiped today could this mean i might be pregnant i hope i am pregnant any advice and am not getting any period pain what could this mean has this ever happen to anyone and they got pregnant also my period is very irregular so i dont know when am getting my period please help