The Gemorah in Nedorim 20b brings a list of 9/10 "warnings"/"prohibitions" on sexual relationships with one's wife, with rape being the first. Ra"n However, the Gemmorah does not mention any punishment, besides the"Heavenly" punishment of having troublesome children from such relations.
Ra"n adds in place that such relations are a sort of transgression, but not a clear one. Does And I didn't see interpreters developing that idea.
Does a woman have any case in complaining before a Beis Din about being raped by her husband, and how can the Bais Din punish or take measures against the husband?