Stan Brakhage's Window Water Baby Moving (1959) is the only film I've seen of childbirth which makes sense. It has genuine, uncanny, visceral poetry. It tells the truth. Be prepared for its frankness.
Oliviero Toscani's Benetton billboard of 1991 was removed, as I recall, a week or so after it appeared due to the volume of offendees.
An anonymous (French c.1800) oil on paper from tomorrow's destination, the Wellcome Collection. Articulating such a complex event, the image has a head-on objectivity but also features caricature, in the gurning midwife and the fey father-to-be.