Drug prevents congenital heart block recurrence in a high-risk pregnancy

Congenital heart block, sometimes referred to as cardiac neonatal lupus, is a rare but potentially life-threatening condition that affects babies born to mothers with specific autoantibodies—called anti-SSA/Ro antibodies—which can attack the fetal heart via its electrical conduction system, leading to a slower heart rate. Most surviving infants with congenital heart block eventually require a pacemaker for life…