Absolutely no reason to stop breastfeeding after gadolineum.  This is
the contrast material used in MRI's.  There is no evidence that it is
of any concern, we use it in small children, it has a very short half
life and is likely to get into the milk in only tiny quantities.

Furthermore, the radiologists cannot tell her what to do.  This is her
decision.  If I were her, I wouldn't think of stopping.

Jack Newman, MD, FRCPC