الفهرس 
" ~ "uevelopmentof gonadsOnly 14 pages are availabe for public view
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Abstract
This study aims to answer this question; dose measurement of the maternal serum testosterone level during the 12th to 16lh
weeks of gestation can be used as a reliable test for fetal sex prediction, or not?!The sudy inclindcd fifty seven pregnant women with normal uncomplicated pregnancy during 12th to 16th weeks of gestation.
The preconception menstrual cycles were regular enough to permit accurate estimation of fetal age. All of the women were certain of their last menstrual dates and had no discrepancy between l,he duration of amenorrhea and uterin size .
Single sample of blood was obtaind from the pcriphral vein of the mother. Tlie plasma was separated and frozen at. 20 °C until assay .These women were subjected to measurement of total serum testosterone level during the studied gestational period and followed up to know the fetal sex after labour.
According to the fetal sex they were classified into two groups, one for females deliverd boys and the other group for those deliverd girls. The results were statistically analysed using the student’s t test.