A young woman is found to have a soft-tissue infection that is most responsive to tetracycline. Your teaching plan for this woman should include which of the following points? 

a. Tetracycline can cause gray baby syndrome. 

b. Do not use this drug if you are pregnant because it can cause tooth and bone defects in the fetus. 

c. Tetracycline can cause severe acne. 

d. You should use a second form of contraception if you are using oral contraceptives because tetracycline can make them ineffective. 

e. This drug should be taken in the middle of a meal to decrease GI upset. 

f. You may experience a vaginal yeast infection as a result of this drug therapy.