I have been having sex with my boy friends for time now i would say like 5 months... w/out condoms nor pills..... (w/out any protection) about 2 or 3 months ago... my period was 1 weeks and a half late.... since that, my period has been coming but its being different.... its less that usuall.... could i be pregnant... i have ben having osme symptoms i believe, like ( nautia, headaches, my areolas have dark parts in them... and around them... i have veins sticking out of my areolas and breats... very visible!!!.... there is a visible line that goes from my bellybottom to the top of my personal area.... i feel more tired that usual!! ) could htis mean something!?!?!?! me and my boyfriend want to have a baby... but every month i bleed so that dosent help us at all... could i still blees and be pregnant.. could htis symptoms mean i oculd be pregnant?!?!?!?!

PS: please answere ASAP.... thanks