During a prenatal visit, a pregnant woman says, 'I know the amniotic fluid is important, but can you tell me more about it?' When describing amniotic fluid to a pregnant woman, which description would the nurse most likely include?

C The fluid is mostly protein to provide nourishment to your baby. D This fluid acts as a transport mechanism for oxygen and nutrients. B The amount of fluid remains fairly constant throughout the pregnancy. A This fluid acts as a cushion to help protect your baby from injury.