Which of the Following Facts About Exposure to Teratogens Is

Multiple Choice

Which of the following facts about exposure to teratogens is FALSE?

A) Prenatal exposure to tobacco increases sudden infant death syndrome.
B) Prenatal exposure to alcohol increases risk of physical, mental, and behavioural disabilities.
C) Prenatal exposure to heroin causes low birth weight.
D) Prenatal exposure to marijuana has been linked to childhood cancer.