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Skyscape - USMLE® Question of the Week

A 25-year-old woman, gravida 2 para 1, at 8 weeks gestation comes to the physician to initiate prenatal care. Her blood type is O negative and the father is blood type is O positive. Her first pregnancy was significant for placental abruption at the time of delivery. She received the standard dose of anti-D immune globulin at 28 weeks during her first pregnancy and again 1 day postpartum. The patient has no medical problems and no history of blood transfusions. Her anti-D antibody titer is currently 1:32. Which of the following is the most likely explanation for this patient's finding?

A	Inadequate dose of anti-D immune globulin after her first delivery

B	Inadequate dose of anti-D immune globulin during her first pregnancy

C	No anti-D immune globulin prophylaxis between the pregnancies

D	Premature administration of anti-D immune globulin after her first pregnancy

E	Undisclosed new paternity during this pregnancy

iOS & Android Apps

980+ total questions*

USMLE Step 2 CK with First Aid Q&A for the USMLE Step 2 CK

1000+ total questions*

450 Questions, Ans and Rationales

First Aid for the USMLE Step 1

Includes Netters Anatomy Atlas

Anatomy Flash Cards

* In app purchase required

Tutors

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