1 Rheumatologists have the most specific training and experience in SjÃ¶gren's syndrome as well as the many disorders often associated with the syndrome.  Ophthalmologists can diagnose early problems with the cornea and assess the degree of damage to the eye.
It takes an egg about 25 hours to make its way through a hen's internal egg laying factory. The egg can only be fertilized during the first 15 minutes or so of that journey. If the mating takes place in a Monday, Monday's egg is not fertile.It started its journey on Sunday.Depending on what time the mating took place and the egg started its journey, Tuesday's egg might be fertile.But it might not.Wednesday's egg is almost certainly fertile. Notice that this is after a mating. A rooster does not always mate with each and every hen in the flock every day. Usuallyy a hen will stay fertile about 2 weeks after a mating, sometimes a little less but usually a little more.ut it might not. Wednesday's egg is almost certainly fertile. Notice that this is after a mating. A rooster does not always mate with each and every hen in the flock every day. Usuallyy a hen will stay fertile about 2 weeks after a mating, sometimes a little less but usually a little more.
How long does it take a sperm to penetrate an egg? It takes a few hours to reach it, and then about 20-30 minutes for a group of sperm to break down the outer membrane of the egg so one can fertilize it. Egg and sperm cells are produced in? Egg is produced in the ovaries in females and sperm in testes in males.