Is 20 weeks scan suppose to.be painful?

I had my 20 weeks detailed scan yesterday at kkh. The whole process took ard 2 hrs as they need to do a really detailed scanning and measuring of baby's development etc. There was 2 nurse accessing me. The first young nurse was gentle. She did most of the measuring. She asked if its too.pinful as she pressed. As she couldnt detect the lips of the baby after so many tries, she told me that she will asked a senior nurse to do it. But this second nurse was really pressing it my tummy so hard that it hurts. And keep making the "tsk tsk" sound coz couldnt see the lips as baby covers with his hand. My tummy is still very damn painful today from all the pressings. I need to come back for another scan next monday. Anyone experience the same? 😔