Pregnancy (mammals)
In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation. It begins when a fertilized zygote implants in the female's uterus; and ends once it leaves the uterus.
Read more about Pregnancy (mammals): Fertilization and Implantation, Gestational Duration By Species
Famous quotes containing the word pregnancy:
“There are highly gifted spirits who are always infertile simply because, owing to a weakness in temperament, they are too impatient to wait out their pregnancy to term.”
—Friedrich Nietzsche (1844–1900)