Pathology The consequences of Rh incompatibility are not serious during first pregnancy because A Antibodies are not able to cross placenta B Antibody titre is very low during primary response C IgG generated is ineffective against fetal red ceell D None 💡 Explanation The consequences of Rh incompatibility are not serious during first pregnancy because ✓ Correct Answer: A. Antibodies are not able to cross placenta