STARTED 5 DAYS LATE WITH SOME SYMPTMS, CAN I BE PREGNANT?

So i have reg periods but this month january! i started 5 days late! for the past month ive been feeling a little nausea and using bathroom more frequently! And i feel like im gaining weight! So i strated 5 days late and ive had a little cramping and pains for past 2 weeks. my period has lasted  2 days which is today but this morning i changed my stuff round 4:00am and woke up at 10:30, im so tired lately, and i didnt have any blood but now its 12:30 and im bleeding again! does anyone know what's wrong with me? i dont have money to see a doctor! any advice would help! I just want to stop being in pain and know if im pregnant or not? im married and no preventing ttc! so its possible! anyone please help!