breech presentation vs breech delivery

breech presentation and breech delivery both are nouns.

Word	Noun	Adjective	Verb	Adverb
breech presentation	Yes	No	No	No
breech delivery	Yes	No	No	No

As nouns, breech presentation and breech delivery are synonyms defined as:

breech presentation and breech delivery: delivery of an infant whose feet or buttocks appear first

Other synonyms of breech presentation include breech birth.

breech presentation (noun)	breech delivery (noun)
delivery of an infant whose feet or buttocks appear first	delivery of an infant whose feet or buttocks appear first