A G4, P1, L0 female comes for antenatal checkup at 12 weeks of gestation. She has had two prior 1st trimester surgical MTPs, and delivered a 7 month boy in her last pregnancy who died 14 days after birth due to jaundice. She reveals that her blood group is B negative and that she was monitored with repeated blood tests in her last pregnancy. There is no history of anti-D administration. True regarding her management is: