Blood test for pregnancy right after mc

L.a
Hi everyone 
I got my brp four weeks and two days after my miscarriage (that was my first pregnancy miscarried at 5 wks). I went in on Monday to have my blood drawn and confirm the pregnancy my hcg Levle was 76. Did anyone else have thier hcg levels checked? How much did they increase? 
Thanks I hope everyone is doing well.