calendar method

NOUN
15 LETTERS · STARTS WITH C

calendar method is a valid 15-letter word worth 23 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3A1L1E1N1D2A1R1M3E1T1H4O1D2
3 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 2 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does calendar method mean?

NOUN · 1 SENSE
1

Natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle).