Anything is possible but... from experience, you can't hear two heartbeats that early on because they are so close together. I'm 17 weeks with twins and for the last couple of appointments I end up having ultrasounds because the Dr and techs are never able to find two different heartbeats. Mine are also further apart because they are in seperate sacs. I was 5 weeks pregnant when I had my frist ultrasound and we knew instantly that there were two in there. But, who knows? Good luck hun, can't wait to find out!