Causes of vaginal bleeding in first half of pregnancy

Vaginal bleeding is a tragedy that causes a high mortality and morbidity rate. The aim of this study was to find the most frequent causes of vaginal bleeding in first half of pregnancy.

This study is a cross sectional study performed on 161 cases with vaginal bleeding during pregnancy who had been referred to Taleghani Hospital. Sampling was achieved using non random convenient technique.

The mean age of subjects was 27.1±6.1 years and the mean gestational age was 16.3±10.1 weeks. Mean of gravidity was 2.5±1.6. Thirty three percents of subjects were primigravid. The most common causes of bleeding were: abortion (72.7%), placenta previa (12.4%), ectopic pregnancy (8.1%), and placenta abruptio (6.8%).

Of 161 cases, 75 (46.5%) lead to abortion or curettage. Abortion was by far the most common cause of vaginal bleeding