Cheating

Hi ladies all I’m asking is for no hate just support because I’m shattered I found out that my partner cheated on me over the weekend and I’m heartbroken and I don’t know what to do I love him but i’m just trying to shrug the whole situation off even though I shouldn’t I’m 2 months pregnant with his baby am I better off leaving him I’ve been with him for so long to the point where I’m scared to leave I just want your ladies opinions