10-20 % of infants with mothers affected by the condition are born with Transient Neonatal Myasthenia, which generally produces feeding and antibodies that target an infant's acetylcholine receptors.
2.
Neonatal myasthenia gravis is a very rare condition in which a mother with myasthenia gravis passes down her antibodies to her infant through the placenta, causing the it to be born with antibodies that will attach self-antigens . ( reference 12)