Unfortunately, there is absolutely no risk of jail time if a women makes false abuse allegation (either abuse towards her or towards the kids). On the other hand it is a common practice advised by unscrupulous lawyers to get rid of the dad and get full custody by getting a temporary restraining order (it is called the "silver bullet").

A recent story where it happened to a dad, who eventually got killed by the father in law : https://www.youtube.com/watch?v=H_z0AfxT2bE No coverage or sympathy from either the media or the politics.