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).
The civil war resumed in 1983 when President Nimeiri imposed Shari'a law, and has resulted in the death of more than 1.5 million Sudanese since through 1997. The principal insurgent faction is the Sudan People's Liberation Movement (SPLM), a body created by the Sudan People's Liberation Army (SPLA).