Congenital hea block develops in fetuses of women suffering from: (A) SLE, (B) Epilepsy, (C) Rheumatoid ahritis, (D) Ankylosing spondylitis
Answer is A. Congenital hea block develops almost exclusively in fetuses of women with antibodies to the SS-A or SS-B antigens. (Ref: William's Obstetrics; 25th edition)