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.
To reach the vagina, during normal sex is immediately, being the penis is inside the vagina when ejaculation occurs. I'm sure the question means to read how long does sperm taâ¦ke to reach an ovum, aka egg, that can take a few hours. Sperm live for up to 72 hours incase an egg has not been released by the ovaries yet.