Estimating the Risk of ABO Hemolytic Disease of the Newborn in Lagos

Table 1

ABO typing of blood donors at the Lagos University Teaching Hospital University Teaching Hospital.

Blood group	O POS.	O Neg.	A POS.	A Neg.	B POS.	B Neg.	AB POS.	AB Neg.	Total
Number of donors	4679	283	2001	97	1677	94	281	26	9138
%	51.2	3.1	21.9	1.1	18.4	1.0	3.0	0.3	100

POS.: positive.
Neg.: negative.