Your client has a long history of anxiety and has always responded well to diazepam. She has just learned that she is pregnant and feels very anxious. She would like a prescription for diazepam to get her through her early anxiety. What rationale would the nurse use in explaining why this is not recommended? 

a. This drug is known to cause a predictable syndrome of birth defects, including cleft lip and pyloric stenosis. 

b. Babies born to mothers taking benzodiazepines may progress through a neonatal withdrawal syndrome. 

c. Cardiac defects and small brain development may occur if this drug is taken in the first trimester. 

d. This drug almost always causes loss of the pregnancy. 

e. The hormones the body produces during pregnancy will make you unresponsive to diazepam. 

f. This drug could have adverse effects on your baby; we should explore nondrug measures to help you deal with the anxiety.