Assertion: teratogen | /r/Causes | damage
Facets:
value: during a pregnancy
type: TEMPORAL
value: during the prenatal period
type: TEMPORAL
value: during weeks
type: TEMPORAL
Source sentences:
text: some teratogens cause damage only during specific days or weeks in early pregnancy à other teratogens are harmful at any time during the pregnancy---for example, for behavioral teratogens, there is no safe period---the brain and nervous system can be harmed throughout the pregnancy critical period---in prenatal development, the time when a particular organ or other body part is most susceptible to teratogenic damage
text: According to Laura E. Berk, a teratogen is, “any environmental agent that causes damage during the prenatal period.
text: The most susceptible period for a teratogen to cause damage during a pregnancy is in the embryonic stage which covers the first eight weeks.