There is no evidence to support his opinion that BF makes MS symptoms worse.
In fact, breastfeeding may help her disease. See Pisacane A, Impagliazzo N,
Russo M, Valiani R, Mandarina A, Florio C, Vivo P. Breastfeeding and
multiple sclerosis. British Medical Journal 1994; 308: 1411-1412.

Where are his references?

Linda J. Smith, BSE, FACCE, IBCLC
Bright Future Lactation Resource Centre
Dayton, OH USA
http://www.bflrc.com