Low hcg

I am 5 weeks pregnant - my husband had a vasectomy reversal about a year ago so we’ve been trying for quite some time. I’m 33 and this is my very first time seeing a positive test. (I take one everyday!) Anyways yesterday I started worrying about a miscarriage and went and got my hcg tested and it was only 104- which seems very low. Anyone else had that low of hcg at 5 weeks and had a healthy baby?