Difficult scans

Third scan and they said they couldnt se babys heart valves but i will be fine no more going back for me but 2 weeks ago she heard it on the scan and my midwife also gets a good heart rate from my little girl i suffer with a bloated stomach and have done from day 1 this lady yesterday i didnt like one bit she made me feel worried she even got a second person in to check and said my little girl was being cheeky as soon as i came home she was wriggling around has anyone had this problem before ?