See the cayenne pepper challenge test in the link below, for tapeworms. Sad to say you should take it too and any in your family. According to Hulda Clark every person she ever tested, including her own family, had Tapeworms & other parasites as well.
Many on CZ have gotten false negatives on lab testing, including me. Nevertheless other kinds of diagnostic testing can be informative & I hope your mother will avail herself of them.