9 months
The time period from fertilization to birth is called gestation.
The period between fertilization and birth is called pregnancy or the gestation period. For humans, gestation lasts about nine months. and isn't it cute. SO ADORABLE
usually 9 months
Gestation
It is called the gestation period.
It is called the gestation period.
Gestation time is the length of time that it takes from fertilization to birth.
The length of time it takes to create a baby within.
Period of time between fertilization and birth of an animal. Commonly called pregnancy.Gestation is pregnancy, carrying in the womb.Gestation is the process of carrying or being carried in the womb between conception and birth. Some animals gestation period lasts up to 113 days.
the period of time between conception and birth is called the "gestation period"
generation time
That depends on the species you are asking about. Different animals give birth after different periods of gestation.