No Effect on Infant Birth Weight and Head Circumference After Exposure to Interferon Beta Prior to Or During Pregnancy: A Register-Based Cohort Study in Finland and Sweden Among Women with Multiple Sclerosis

Pia Vattulainen, Sarah Burkill, Yvonne Geissbuehler, Meritxell Sabidó, Catrinel Popescu, Kiliana Suzart-Woischnik, Kjell-Morten Myhr, Scott Montgomery, Pasi Korhonen