Neonatology.
It is the development and growth that happens after the animal/human is born. (prenatal is before birth, postnatal is after birth)
Look on; www.child-development-guide.comalsowww.bbc.co.uk/music/parents/yourchild/childdev_chart.shtml
This is called embryology or developmental Biology.
The required time for the development of a fetus is called gestation or pregnancy.
Development begins before birth and ends generally ends at the age of twenty-five.
The study of word development is 'etymology'.
Internal development is when an animal's offspring develop/ grow inside the parent, usually the female, before it is given birth to.
fudge your vagina;D
Embryology
It is the science that studies the formation and development after conception and before birth of a living creature of any species.
The zygote develops first into an embroy and then into a fetus
The zygote develops first into an embroy and then into a fetus