A Patient Taking Levothyroxine Sodium Is Pregnant and Tells You

A patient taking levothyroxine sodium is pregnant and tells you she plans to breastfeed her baby. What should you tell this patient?

A) "While it is safe to breastfeed, this drug will limit your milk supply over time."
B) "Breast-feeding is safe when taking this drug, but not with other thyroid hormones."
C) "You should not breastfeed your infant because this drug passes into your breastmilk."
D) "You may breastfeed while hospitalized and your thyroid hormone levels can be checked."