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:
“If pregnancy were a book they would cut the last two chapters.”
—Nora Ephron (20th century)