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.
I would say at least a couple of hours, but it could take up to three days. Depending you your body and where the egg is in the cycle. The sperm that will be able to fertilize the egg will leave the cervix, at the most, 30 minutes. It does not take 3 days for the sperm to get to the fallopian tubes to ovulation.