Sure she can continue to breastfeed.  This stuff would hardly get out of
the spinal canal, never mind get into the milk.

By the way, why would anyone do a myelogram in this day and age of MRI
and CT scans?  Myelograms are not risk free.  I am obviously not aware
of the reasons for it, but are you sure she needs it?  Personally, I
would not have one done unless there were absolutely no choice.

Jack Newman, MD, FRCPC