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.
While a man can ejaculate again after 30 minutes, there will not be sperm in it for 24 hours. Also, sperm is at it freshiest every 3 days . . . so if you are going to try on Friday have him clean the pipes on Wednesday morning. Also, my Infertilty specialist advised me to have intercourse like this: