The study revealed that the percent of total abortion cases to the total admitted cases was 6.62%. The percent of total abortion cases to the total gynaecological cases was 48.00%. The percent of the total cases of first trimester abortion to the total abortion cases was 68.91 %. The percent of first trimester abortion was more than the double percent of the second trimester abortion (69 %) to (31%). And according to the age of the patients of the first trimester abortion we classify the age into three groups to facilitate the statistical analysis, group one below the age of 20 years old, group two from 21 to 35 years old and the third group above the 35 years old and the result was that the percent of first trimester abortion in the group one was 5.63%, the percent of first trimester abortion in the group two was 79.47% and for the third group was 14.91% this results over the three years from Jan 2006 to Dec 2008. The prevalence of first trimester abortion at ten weeks gestational age was the largest percent (26%), while the least one was at 5 weeks gestation (3%). The prevalence of first trimester abortion in relation to the type of abortion we find the percentage of threatened abortion 2.46%, inevitable abortion 58.04%, missed abortion 6.21%, septic abortion 0.39%, incomplete abortion 30.60% and 1.67% was complete abortion. And according to the pattern of abortion the prevalence of first trimester abortion the sporadic cases of first trimester abortion were 99 %. While the cases of recurrent first trimester abortion were 1%. Although the numbers of first trimester abortion cases admitted to the hospital were (1013) only 94.57% (958) cases managed surgically by dilatation &evacuation .and only 5.43% (55) cases managed medically. Finally the prevalence of short term complications of the first trimester abortion was Post abortive pain (55.68%), PGs fever (60.71%), incomplete evacuation (6.22%), Uterine Perforation (2.17%), Cervical laceration (0.30%), Post abortive bleeding (0.99%), anaesthesia complications (1.28%), so the most common short term complication was Post abortive pain and PGs fever, while the rarest was Cervical laceration, Post abortive bleeding, Anaesthesia complications and Uterine Perforation.