The ASA rules
The Authority noted that Living TV had sought Copy Advice and taken care in the siting of the posters. It acknowledged that the posters had offended some people, nevertheless, the Authority considered that the images were not sexually explicit and accurately reflected the contents of the TV programme. It concluded that the posters were unlikely to cause serious or widespread offence, be seen as degrading to women or unsuitable to be seen by children.
(Thanks to Andrew in the comments)