The effect of ramadan fasting on outcome of pregnancy.

Objective: Pregnancy is a physiological condition that its concurrence with fasting introduces some controversies about condition of mother and fetus. This study was conducted to evaluate the effect of fasting on pregnancy outcome.

Methods: The historical cohort paradigm of this study was conducted on referrals of one of the Tehran's hospitals in 2004.

CD4+ cell counts in patients with different clinical manifestations of tuberculosis.

Tuberculosis is the prototype of infections that require a cellular immune response for their control. It has been shown that CD4+ T-lymphocytes are most important in the protective response against Mycobacterium tuberculosis. CD8+ T-lymphocytes are also important for effective T-cell immune response.