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).
Since South Sudan's independence, conflict has broken out between the government and the Sudan People's Liberation Movement-North in Southern Kordofan and Blue Nile states, which has resulted in 1.2 million internally displaced persons or severely affected persons needing humanitarian assistance.