الفهرس 
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Abstract
Toxoplasma gondii is an intracellular protozoan parasite of many kinds of tissue including muscles, intestinal epithelium, lung and the brain. T. gondii has been found to have a cosmopolitan distribution with evidence of high prevalence in large number of birds and mammals. Infections by T. gondii are widely prevailed in human and animal worldwide causing many diseases especially in females like abortion, embryo malformation. Detection of IgG and IgM antibodies is very important for pregnant women and women of child-bearing age. This is an effective way to find the infection, and then to provide treatment. It is also an efficient way to stop congenital toxoplasmosis in newborns. Good food-producing animals care should be done to stop the spread of the infection or at least decrease it in Egypt. The Sero- epidemiology in this study should be done for all the governorates so will be having a good picture of the risk of Toxoplasmosis in all Egyptian areas so make it easy to stop or at least decrease the infection rates and treat all the infected persons. Also put lights on how important is to force for the education programs to be done to give more information to women in different areas especially in rural areas where low knowledge or non about the infection with Toxoplasma. The total number of cases in this study was 290 women. The study revealed that positive T. gondii IgG antibodies were detected in 24.8 % (n=72) of the samples; and 12 % (n= 4.1) positive for IgM antibodies. These findings may be attributed to poor hygiene, low standard of living; in addition, contact with soil, cutting meat, indoor contact with domestic animals, especially cats. All these factors may increase the chance for exposure to Toxoplasma oocysts. The higher rate of toxoplasmosis infection among women living in rural areas than those living in urban areas may be due to the fact that the majority of the aborted women living in rural areas were from low socio-economic status, low educational level and low standards of hygiene. In addition to that most of them were in frequent contact with soil that may be heavily contaminated with oocysts because of the high number of definitive feline hosts the load of oocyst in the soil, or contact with domestic animals as well as in contact to raw meat, vegetables or in processing of meat and consumption of unpasteurized milk and untreated water or unwashed fruits which are more prevalent in those living in rural areas Key words: (not more than ten): Epidemiology, Life Cycle, Mode of Transmission, Diagnosis, Pathogenicity, Impact Economic, Prevention and Control, Immune Response.