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 causes dates back to the early nation history. Some of the causes were: economic and social differences between the north and south, states versus federal rights â¦, the fight between slave and non-slave state proponents and the growth of the abolition movement.