birth prevention

NOUN
16 LETTERS · STARTS WITH B

birth prevention is a valid 16-letter word worth 25 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3I1R1T1H4P3R1E1V4E1N1T1I1O1N1
3 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does birth prevention mean?