Yes it can.
No, your eggs cannot be fertilized when you're on your period. During menstruation there are no eggs present, there are only eggs present to fertilise during ovulation, and overulation occurs two weeks before menstruation with an egg only being present for 48 hours maximum.
dispersal
There were 49 already present when Hawaii became #50.
before now, previously, at present, by now, by then, even now, just now
All eggs that have a hard or semi hard shell are fertilized before being laid.
building not the structure that is already built but what is happening to the current structure that has not been finished before.
Gamete is what it's called before the egg and the sperm is fertilized. When they are fertilized, together they form a zygote!
The average pregnancy length is 40 weeks timed from two weeks before the egg is fertilized.
There is no size requirements, the egg is fertilized inside the hen before the shell surrounds it on its way through the oviduct.
b4
No. Dinosaurs were already extinct before Man ever appeared on the surface of Earth.
No, all the human female's eggs will never be fertilized. Most die after ovulation and before the next menstrual period. In addition, since infant girls' ovaries already contain millions of eggs before the girl's birth, there are still millions left when a woman enters menopause. These leftover eggs just die as the reproductive years end.