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.
You can also use Instead softcups (which are for your period)... you insert one after sex, and it will keep his sperm inside and up by your cervix and you can leave it in up to 12 hours.Good Luck! posted 06/29/2010 by MaerzMomma.he numbers are comforting. Out of the nearly 80 million sperm in one ejaculation, if even 75% of them come out with the fluid, you're still looking at 20 million swimmers going upstream! My Dr has mentioned things like propping up your hips, but it's not necessary to stand on your head.