Section 9
The Fetal Period
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
3 concepts
Fetal Development
At the end of the 10th week of gestation, the fetal period begins.
![Thumbnail](../../../../../../figures.boundless-cdn.com/5380/square/photo-of-baby-with-fas.jpeg)
Teratogens
A teratogen is a compound that permanently deforms the function or structure of a developing embryo or fetus.
![Thumbnail](../../../../../../figures.boundless-cdn.com/31248/square/down-syndrome-karyotype.jpg)
Prenatal Diagnostic Tests
Prenatal diagnosis is a way to screen a fetus for diseases and/or conditions that may increase its morbidity and/or mortality.