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 most recent genocide in Darfur began in 2003, when the Sudanese government and Arab militias (Janjaweed) destroyed over 400 villages, allegedly in response to two opposition groups: the Sudan Liberation Army (SLA) and the Justice and Equality Movement (JEM).