Question

Originally prescribed in the late 1950s as a morning sickness pill, scientists soon realized that the drug thalidomide was causing babies to be born with a condition called phocomelia, involving the malformation of limbs during fetal development. Within 5 years of its introduction, the drug was pulled from the market because of the evidence that it was a(n) _____.

Answer 1

the drug was pulled from the market because of the evidence that it was a(n) teratogen

Step-by-step explanation:

Teratogens are drug or other agents that cause physical or functional bnormalities in fetuses that are exposed to such agents. A typical example is alcohol. The degree of the abnormality on the fetus depends on a number of factors which are:

• the type of agent
• the developmental stage of the fetus
• the duration of exposure
• the concentration of teratogenic agent being exposed to