Analysis of use of a single best answer format in an undergraduate medical examination.

Unlabelled: Examinations at the Faculty of Medicine of Mu'tah University are based on a single best answer multiple-choice questions (MCQs) format. However, the reliability of this examination format has not been determined.

Objective: Using an examination of obstetrics and gynaecology as a model, this study aims to analyze the difficulty (facility) index, the discriminatory power and reliability of the examination format.

Dietary intervention versus metformin to improve the reproductive outcome in women with polycystic ovary syndrome. A prospective comparative study.

Objective: To compare the clinical results and reproductive outcome in obese women with polycystic ovary syndrome (PCOS) following dietary intervention or treatment with metformin.

Methods: Forty-six patients with PCOS were studied prospectively in Prince Rashed Hospital, Irbid, Jordan, between January 2003 and April 2005. The women were randomly divided into 2 groups: Group 1 (n=24) was prescribed with 1200-1400 kcal/day diet (25% proteins, 25% fat, and 50% carbohydrates plus 25-30 gm of fiber per week).