Q97
Single choice
A 25-year-old woman presents to your office complaining of cold hands. She describes them turning white as she reaches for orange juice in the frozen food section of the supermarket. It seems to be getting worse lately. She has no other symptoms but does note that she and her husband are contemplating pregnancy.
Her examination today is unremarkable.
Which of the following antibodies can cross the placenta and cause the syndrome of neonatal lupus?