Schistosomiasis (bilharziasis) is a major human disease caused by three species of the genus Schistosoma, known collectively as blood flukes. Africa and western Asia (e.g., Iran, Iraq) are endemic centres for S. haematobium; S. mansoni also is found in these areas, as well as inâ¦
How Alcohol Damages Sperm. Alcohol can reduce the quantity of sperm a man produces (his sperm count) and the quality of that sperm. One way in which alcohol does this is by preventing the body from absorbing zinc in the normal way. Zinc is found in high quantities in sperm.
Additionally, the use of scented tampons, pads or sprays can also disrupt your pH and cause irritation. Sperm also has a high pH level of 7.1 to 8.0, which can throw your pH off balance. If you notice vaginal odour after sex, it may be because of the high pH level of your partnerâs sperm.