Frequency of hepatitis C in obstetric cases.

Objective: To compare the frequency of antihepatitis C virus (HCV) after single blood transfusion, multiple blood transfusion and in non-transfused obstetric cases.

Design: A comparative descriptive study.

Place And Duration Of Study: The Department of Obstetric and Gynaecology, Jinnah Postgraduate Medical Centre, during the period of one-year from January 2002 to December 2002.

Risk factors for gall bladder cancer in Karachi.

Background: Frequency of gallbladder cancer in Karachi has been reported to be 8% and that from other parts of Pakistan varies between 6-7%. This is very high as compared with the Western studies. With this in mind a case control study was designed to identity risk factors responsible for gallbladder cancer.