We are currently trying to get pregnant again our daughter is 18 month i had a miscarriage in october

Im currently 2 weeks late but ive had noting but negative tests at home i have zero energy and terrible cramps and neausea i mad an appointment but the next opening they had is 3 weeks out last night i went to the er doubled over in pain they drew blood did several tests along with a pregnancy test which was negative they sent me home saying nothing was wrong

Im very worried i stayed home from work today thinking rest would help but nothings changed except i feeleven more drained