those countries have very high taxes. Ã°â¢The average annual growth rate for the European population from 1985 to 1995 was only. 0.28 percent; in the same period the population of Asia grew by 1.69 percent per year, and. that of North America by 1.33 percent annually.
The life span of sperm after ejaculation depends on the circumstances. Ejaculated sperm remain viable for several days within a woman's reproductive tract or in nutritive liquid (culture medium) in a lab setting. Fertilization is possible as long as the sperm remain alive â at least five days. Sperm also can be preserved for years when semen is frozen. With. Landon Trost, M.D. 1  Secondary infertility. 2  Paternal age.
Most of the sperm that are going to 'stay inside' have made it into the cervical mucus within a few seconds the ejaculation. The rest wll come out when you stand up --- whether you do it a minute or an hour. If you want to wait (and can), staying in bed for 10-20 minutes should be more than ample. Pippin Â· 8 years ago.