We read with interest the article by Langer-Gould et al.1 Here we describe our related data from 23 pregnant women with clinically defined multiple sclerosis (MS) who had a 12-month postpartum follow-up of periodical neurological evaluation. Eight patients breastfed exclusively (BF group) (without formula feedings) for at least 2 months and 15 did not (NBF group). There were no significant differences in age (mean [SD] BF, 31.1 [3.9] vs NBF, 31.7 [3.7] years; P = .813), disease duration (mean [SD] BF, 39.6 [26.8] vs NBF, 71.5 [48.4] months; P = .114), prepregnancy immunomodulatory treatment (BF, 4 of 8; NBF, 12 of 15; P = .3108), or prepregnancy relapse rate (mean [SD] BF, 0.87 [0.64] vs NBF, 0.89 [0.71]; P = .9539) between the 2 groups.
Iorio R, Nociti V, Frisullo G, Patanella AK, Tonali PA, Batocchi AP. Breastfeeding and Multiple Sclerosis. Arch Neurol. 2009;66(12):1580–1581. doi:10.1001/archneurol.2009.280
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