hi..last month on the 23rd i had unprotected sex with my bf and he nutted on me...it was wednesday...i was expectin my period friday that week but i had it the next day thursday..it was normal bt this month i was 1day late and when i got it the next day it started as pinkish den heavy with clots and it lasted 4 full days(when i have my period around the 3rd day it becomes lighter)....i don't know what is goin on i have been having back pains sometimes and yesterday i had an awfull headache...could i be pregnant and is true that you can be pregnant and still have your normal period?..i would really appreciate it if i can get help...thank you