Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 7 3 1978 09 15 149 157 M.Mirdamadi A.Fotouhi M.Sonblestani 2015 10 03 The ABO and Rh Blood groups of 9753 pregnant women were determined in the Amin Maternity Hospital, Isfahan, Iran, from March 23, 1976 to July 11, 1977. Their ABO blood group frequencies were calculated as follows: 0=38.20%, A=30.67%, B=23.84% and AB=7.26%. Also, 90.02% of the women were Rh positive and the rest, namely, 9.98% were Rh negative. https://ijph.tums.ac.ir/index.php/ijph/article/view/2683 https://ijph.tums.ac.ir/index.php/ijph/article/download/2683/2663