Cord Blood S100B Protein Levels in Neonates Following Intrauterine Transfusions for HDFN-Associated Fetal Anemia

Inclusion Criteria

• •1. Singleton pregnancy.
• •2. Diagnosis of HDFN confirmed by the detection of alloantibodies through maternal blood screening.
• •3. Availability of complete medical records, including routine ultrasound assessments of fetal MCA blood flow.
• •4. Fetal anemia requiring IUT, indicated by a MCA-PSV MoM value exceeding 1.5.
• •1. Singleton pregnancy.
• •2. Diagnosis of HDFN confirmed by the detection of alloantibodies through maternal blood screening.
• •3. Availability of complete medical records, including routine ultrasound assessments of fetal MCA blood flow.
• •4. No indications for IUT, as determined by MCA-PSV MoM values \<1.5 in routine assessments of fetal cerebral arterial flow.