Assertion: codeine's use | /r/RelatedTo | congenital heart defects
Facets:
value: according to some studies
type: OTHER
Source sentences:
text: According to some studies, maternal use of opioids may be associated with birth defects (including neural tube defects, congenital heart defects, and gastroschisis), poor fetal growth, stillbirth, and preterm delivery (CDC [Dowell 2016]).