I am 37 weeks pregnant and today I had an appointment and at my appointment my doctor went to listen to the baby's heartbeat as usual and he had the Doppler on the left side of my stomach and we couldn't hear anything after trying for a minute he moved it to the right side and it was heard a little better but very faint he didn't say anything was wrong but I'm wondering why it was hard to find and why it was barely heard I should have asked while I was there but I figured if something was wrong he would have just said so... But now thinking about it I'm concerned. What could the reasoning be?a week ago the heart rate was 140 and today it was 150. Is that strange?