Pregnancy Risk Categories Flashcards
1
Q
Category A
A
Well controlled in human studies
No risk to the fetus is evident
Thyroxine, insulin, vitamins
2
Q
Category B
A
Animal studies show no risk, but human trials have not been done.
3
Q
Category C
A
Animal studies show adverse fetal effects
No study in humans
4
Q
Category D
A
Evidence of fetal risk.
Sometimes still used if medical necessity
5
Q
Category X
A
Animal or human studies demonstrate fetal abnormality.
No therapeutic indication in pregnancy