Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 7 1 1978 03 15 26 31 MR. Akbar B. Aflaki TS. Azoodani K. Ghaffari MR. Salimi 2015 10 03 In this paper we carried out an exact statistics on the basis of total admission due to abortions, with following results: 1- Abortion incidence is 14 of total admissions. 2- 46.8 of abortions were between the 8th and 12th weeks of gestation. 3- 42,038 of the patients with abortion were 24 years old or younger (younger than 25 years of age). 4- The abortion incidence is equal in different blood groups and Rh without toward any special blood group or Rh. https://ijph.tums.ac.ir/index.php/ijph/article/view/2704 https://ijph.tums.ac.ir/index.php/ijph/article/download/2704/2684