Please don't take this personally. But I disagree about painless. Some say it doesn't hurt, others say it was really painful. I am in between those opinions. For me the limit was reached, I was glad the examination was over. It was anything but pleasant.
@Ingrid Tips en meer Oh dear, I am sorry about it, I never did it yet, so I can't write from a personal perspective, I wrote by reading different blogs and Doctors explanations, but I believe you 100% and I appreciate your comment.