When does the greatest risk for severe developmental disabilities occur? Why?
What three types of cells does the embryonic stem differentiate into?
Embryonic development is divided into what two stages? How long does each stage last?
How many additional calories per day should a woman who is pregnant consume? What percentage of these calories should be complex carbohydrates, proteins, and fats?
List the different causes of malformations. Explain in detail one of the environmental causes.
How do alcohol, heroin, and cocaine affect the fetus?
Why are radioiodine tests not generally recommended during pregnancy? When would such a test be recommended?
