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 main causes of the Libeiran civil conflict. Several factors can be attributable to the liberian civil war which can either be classified as remote and immediate. The remote causes include ethnic rivalry, weakened democratic institutions, economic marginalization, among others. Ethnic Rivalry: