birth prevention vs planning

birth prevention and planning both are nouns.

Word	Noun	Adjective	Verb	Adverb
birth prevention	Yes	No	No	No
planning	Yes	No	No	No

As nouns, planning is a hypernym of birth prevention; that is, planning is a word with a broader meaning than birth prevention:

birth prevention (noun)	planning (noun)
limiting the number of children born	an act of formulating a program for a definite course of action
	the act or process of drawing up plans or layouts for some project or enterprise
	the cognitive process of thinking about what you will do in the event of something happening