For some unknown reason, our northbound cousins didn't start producing sex comedies until the 1980s, but when they did...well, the results were impressive to say the least. Screwballs (1983) and its sequel Loose Screws (1985) contain some memorable lingerie scenes, including a full-blown striptease by Cynthia Belliveau at the climax of the second movie.
While there was very little outright nudity in either film, the directors took the humor as far as they could, having eager young starlets falling out of their clothes as often as the script permitted. The ever-popular faux "medical" examination was put to good use in both movies, as suggested by the screencaps posted below: