Teratogens get to the fetus like anything the mother consumes does, through the blood and through the umbilical cord. If a mother consumes food, she also shares that foods nutrients with her fetus as well. Same way with teratogens (alcohol, tobacco, drugs, etc), when she consumes or imbibes them.
A teratogen is any substance or factor that can cause birth defects or developmental abnormalities in a growing fetus. These can include drugs, chemicals, infections, and other environmental factors that can negatively impact the development of the embryo or fetus during pregnancy.
teratogen
No.
The level at which a teratogen becomes harmful is referred to as the teratogenic threshold. This threshold varies depending on the type of teratogen and the stage of development of the organism. Factors such as duration of exposure and genetic susceptibility can also influence the level at which a teratogen becomes harmful.
teratogen
Thalidomide.
Testosterone
An unborn baby is referred to as a fetus, or foetus.
protein helps the foetus to develop by the
The duration of Foetus - film - is 1.7 hours.
in the first trimester
Foetus - film - was created on 1994-11-10.