During a First-Trimester Prenatal Examination, It Was Determined That a Pregnant

During a first-trimester prenatal examination, it was determined that a pregnant woman was group A, D-negative with an anti-D titer of 8. What is the most likely course of action?

A) The anti-D is probably from prenatal Rh immune globulin and should be given another dose at birth.
B) The titer is significant if a rise in titer is detected.
C) The pregnancy is considered high risk, and the mother should be followed up immediately with amniocentesis or percutaneous umbilical cord testing.
D) None of the above.