Pregnancy bleeding

I am about 4 week pregnant very early! Long story short well yesterday I when to my obgyn to confirm my pregnancy after a week Stright of getting faint lines and digital pregnant test saying pregnant ... my first son I had hard pregnancy had to take progesterone bills and blood work

Every weeek and go to specialists to watch my son grow. Well yesterday they send me in progesterone bills to

My pharmacy and I took my pill vitamins and iron bill( I have low hcg that why I have to take progesterone bills) well hour later I when to the bathroom after pooping (sorry for TMI) well I wiped and saw blood not a lot but not a dot of blood either Well after I called my obgyn and they told go to the ER to get blood drawn and ultrasound well I did they couldnt see anything on there bc I was so early well Sunday but until

This I am on bedrest and can’t pick up

Anything heavier the 10lbs but my

Son is 18lbs so you know I have to pick him up out of his crib and in his high chair there no way around that because he is only 11 months so he can’t walk on his own and do stuff. So I am

Wondering this whole day haven’t had that many cramps and just brown like blood/discharge not a lot at all. Has anyone else experience it and there baby was okay or do you think it is twins . Is it common to spot during the first trimester . NO NEGATIVE COMMENT PLESE IM ALREADY NERVOUS ENOUGH!