How can I know for sure if I'm pregnant?

On which day after menstruation period I will come to know that i am pregnant?

i think i may be pregnant... i feel the same as if i were going to get my period. does anyone no of a sure way to tell other ...

how do I knnow if im pregnant I was ment to be on my period last tuesday and I'm not

so I don't know if im prego or not. I havent' taken a test yet and I'm only late about four days, but today I noticed some bl...

HEY GIRL! THANKS FOR THE ADVISE BUT I TOOK A TEST AND IT CAME OUT NEGATIVE. SHOULD I JUST GO AHEAD AND SEE THE DOCTOR FOR A ...

I did something with my friends ex-boyfriend and well Im not sure if Im pregnant...I dont think seeing a doctor is an option ...

I had my period but it was not the same and now I'm off but I was spotting and I sometimes feel like I have something inside ...

I haven't seen my period since december 26th and I'm worried how do I know I'm not preganant?

Okay, so if theres no way to have symptoms really, and I have no way of getting a pregnancy test, then how the heck am I supp...

A few nights ago I got really scared that I was pregnant. I have never had intercourse before. Today my stomach and back star...