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).
Sudan remains on the state sponsors of terrorism list. In response to the Government of Sudanâs continued complicity in unabated violence occurring in Darfur, President Bush imposed new economic sanctions on Sudan in May 2007.