I have severe nipple tenderness and im always hungry nothing seems to fill me up, i have very bad back pain, my sex drive has shot up so im always horny and my bf says my sex is diffrent, im tired all the time, and i get fatigued doing the littlest things and i dont get much sleep due to discomfort, i have slight stomache cramping an little twinges here and there and ive had a little stomache bloating but it always seems to go down, dont like to eat certain things anymore the apps say i am 3 weeks and 5 days but im not sure Ive also had to pee non stop all day and all night every day??. i had a short period last month i bled the first 3-4 days then there was just brown liquuid and not many cramps also ive been leaking alot lately and my boyfriend keeps aking am i pregnant ...and my period should be about to come on...should i take a test?? Someone please help