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:
“It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to physics and chemistry.”
—H.L. (Henry Lewis)