OK where to start I need help with this , I have looked all over the internet and found nothing to help me out . OK I got AF on the 21st of jan and had unprotected sex with my boyfriend on the 29th . Then about three to four days later I had brown discharge that lasted for two to three days . Af was due on the 18th of feb and I am now 3days late , my boobs and nipples have been killing me for the past week , when I got to bed and even lye on my back they are so sore it is hard to sleep and I have been so hungry lately . OK still three days late and towards the end of the day I started get get a light pink discharge when was only seen on the toilet paper then abut three hours later I started to lightly bleed but was bright red which never happens to me , I have no craping azt all , could I be pregnant or could this be the implantation prosess?? Help me

You could be getting your period. But, to put your mind at ease, you should take a HPT using first morning urine.