1 In contrast, Preseedâs osmolality matches that of semen and thus does not harm or damage sperm.  Viscosity â The texture of many vaginal lubricants also negatively affect fertility by inhibiting the sperm from traveling up the vagina and through the cervix quickly and efficiently.
The Civil War in Sudan was caused by religious tensions between the North and the South. The two main religions are Sunni Muslim (North) and Christians or other traditional beliefs (south).
Egypt and Britain ruled Sudan until 1953, when Anglo-Egyptian Sudan was granted Sudan self-government. In 1955, army officers in the south mutinied, sparking a civil war between the north and south. Southerners accused the government, based in the north, of trying to force Islamic and Arab culture on the south.