SO WORRIED 😩😩

So im Five Weeks & about 4 days ; i been feelin sharp pains in the upper right hand side of my tummy ; not anymore ; when i did have the pain i went to the ER and they said it was too early to see anything i was prolly bout 3 weeks then; i jus came home from a pre natel visit and the doctors see a sack but nothing inside of it ; my hcg is about 1900 ; they say not to worry jus relax n wait it out ; but if they still dont see Anything im sure to miscarry ; ive seen other sono on here with women 5 weeks aswell n u can deff see the sack n the fetus inside ; im so worried n comfused i have a three year old and had two abortion after him ; n decided to keep this one cause it was planned 😩 im jus depressed n scared ; encouraging words anyone :(Â