state gov BSSC Laboratory Assistant Mock Test Series 2025 Biology Human Physiology Circulatory System
Erythroblastosis foetalis can be avoided by
1
Administering anti-Rh antibodies to a Rh +ve woman before her first pregnancy.
2
Administering anti-Rh antibodies to a Rh +ve mother after her first Rh +ve child birth.
3
Administering anti-Rh antibodies to a Rh -ve woman before her first pregnancy.
4
Administering anti-Rh antibodies to a Rh -ve mother after her first Rh +ve child birth.