Is it safe when trying to get pragnant if my hasbund takes viagra (sildenafil) during the my ovulation period? Or can affect the sperms quality??

Here are some... There has been no known Viagra (sildenafil) effect on sperm quality according to current available knowledge, but enhancing erection for intercourse to a degree. More? Ask the attending doc timely. If you wish to know more on how to use Viagra (sildenafil), go to http://formefirst.com/PDE5use.html.