We have a patient who become pregnant using Assisted reproductive technologies. The patient used an Egg donor, a surrogate and her husbands sperm to make her dream a reality. Surrogate Blood Type O Positive, Antibody Screen Positive ( Anti C and Anti e ), Antibody titer <1 anti-Ce and <1 anti e Sperm Donor Blood Type B Positive, Antibody Screen Negative, Antigen ID C Negative, e Positive Egg Donor Blood Type O Negative, Antibody Screen Negative, Antigen ID D Negative, C Negative, E Negative, c Positive, e PositiveThe surrogate is 11 5/7 weeks pregnant. My questions is what is the risk of the fetus for HDN. Thank you Desta