RESUMO
The objective of this study was to identify the important risk factors for spontaneous abortion among pregnant women in Zagazig. The study included 204 consecutive women hospitalized for spontaneous abortion from December 1st 2000 till the end of October 2001. A control group of 206 consecutive women who had normal delivery in the same period was also included. The statistical analysis indicated a positive association of age, age at menarche, multigravidity, multiparity, lifting, bending at work and thyroid problems with spontaneous abortion. Excessive smoking and caffeine consumptions, high body mass index and malnutrition were associated with a high risk of spontaneous abortion. Also, a higher risk was associated with marriage to older husband and having an industrial job. Meanwhile, early menarche might be protective