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 in Sudan, which began in June 1983, has caused a numbers of social, cultural and economical problems for Sudan. Many social changes took place, not only in the southern Sudan, where the war has been fought since its inception, but also in the Sudanese Nation as a whole.