As I mentioned previously rectal exams should only be done by your surgeon or your GI. If the OB-GYN docs are doing it, they are doing it for malpractice/liability reasons. I got $10 that says if I do the research, I find a case where an OB-GYN was sued due to failing to diagnose rectal cancer or some other rectal problem. OB-GYN docs are the most sued medical specialty docs, and their malpractice insurance is off the charts expensive. I suspect that malpractice insurance/liability concerns is what is driving these surprise rectal exams. Welcome to our litigious society, which aggressively overtests and overprocedures in order to stem the tide of litigation.