Fetal heart Doppler trouble!

So today I got my sonoline fetal Doppler in the mail. I'm 13 weeks 3 days. Just a tip for any ladies thinking about getting one..... DONT PANIC like I did. I couldn't find the heartbeat anywhere. I tried and tried. I have a subchronioc hemorrhage so I was already worried. I couldn't find the heartbeat for a good 10 mins. I called my husband and cried. I got a drink of water and tried one more time and I found it!!! Thank God! It was a lot lower than I though it would be(right above my pelvic bone). So ladies if u decide to get one if u don't hear anything do no panic. Longest 30 mins of my life! Just thought I'd share my experience with it.