Teratogen. The effects depend on the nature of the teratogen the timing at which the exposure occurs and most likely the genetic susceptibility of the mother andor the fetus. The teratogen definition includes all potentially detrimental agents to the development of an embryo or fetus including chemicals drugs including alcohol and other narcotic substances.
Some viruses and bacteria. There are several considerations in determining the type and amount of damage that might result from exposure to a particular teratogen Berger 2005. Teratogens can affect the fetus up to two to three weeks after fertilization of the egg or the zygote.
A teratogen is an environmental agent that can cause abnormalities in an exposed fetus.
Teratogens are environmental factors that can contribute to birth defects and include some maternal diseases pollutants drugs and alcohol. A teratogen is any agent that can induce or increase the incidence of a congenital malformation. Exposure to the teratogen affects the fetus or embryo in a variety of ways such as the duration of exposure the amount of teratogenic. There are several considerations in determining the type and amount of damage that might result from exposure to a particular teratogen Berger 2005.
