canadian family physician medecin de famille canadien2013Vol. 59pp. -
244
m2013canadianbotulinum
Abstract
Botulinum toxin is not expected to be present in systemic circulation following proper intramuscular or intradermal injection. Moreover, BTX-A, which has a high molecular weight, does not appear to cross the placenta. From the 38 pregnancies reported in the literature, including women who had botuli …