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.
An average man can ejaculate for at-least four to five times within a period of one hour. As the number of time grows, the quantity and quality of sperm ejaculated reduces. With every ejaculation, the quantity reduces and the sperm becomes more and more watery.he first and second ejaculation can have at-least 1.5 to 5 milliliters of sperm. Lag time also known as the recovery time is the amount of time required for a man to become capable of ejaculating again after one ejaculation. The lag time varies in men based on various factors like age.