Risk factors for tubal ectopic pregnancy

ABSTRACT

To determine the risk factors for tubal ectopicpregnancy. A case control study. This study was conducted at the Gynaecology and Obstetrics Unit III. Civil Hospital Karachi from it January. 2003 to 31[st] May. 2005. All the patients diagnosed as a case of ectopic pregnancy during the twenty nine months period were included in our study. While the control group constituted pregnant women selected at random from the antenatal clinics and through person to person communication. All the relevant data was recordedon a questionnaire and the final results were analyzed. The incidence of ectopicpregnancy was found to be 190, when compared with normal deliveries. Age group of 25-parity between 1-3 in the 50% of the cases was noted. On analysis strong and independent risk factors for the ectopic pregnancy were post partum infections [OR-11, 42, p-0.001], confirmed pelvic inflammatory disease [OR-11.11.p-0.00l], surgical evacuation [OR-6.78. p-0.009]. tuberculosis [OR-4.17. p-0.041] and previous tubal pregnancy [OR-4.17, p-0.041]. The problem of pelvic infection.surgical evacuation and previous tubal pregnancy were the mainfactors of ectopicpregnancy in our study