hi, i want to know how to determine for sure that i am pregnant. i have got vomiting sensation but it comes in afternoon and night, i feel tired and sleepy all the time, i am not liking some foods like before, and i was supposed to get my periods this week but got it like little bleeding only for half a day and not much pain. usualy i will get a lot of pain and blood will come for two three days. i checked pregnancy test, it is a very faint line, hardly visible. i am having on and off ack pain also. please advise wht to do?