scared and excited!!

ok ladies so i had a miscarriage last month at 5 weeks. well my period never started so i took this test. it looks like i am pregnant again. i dont know when my due date is or how far along i am. i keep checking to see if i start to bleed. im just so scared. i am having cramping and my back is hurting. im just worried. i wanna be excited but its hard to because i keep worrying if im gonna lose it. please keep me in yalls prayers!!! thank u!