persistent lactation

20 LETTERS · STARTS WITH P

persistent lactation is a valid 20-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1S1I1S1T1E1N1T1L1A1C3T1A1T1I1O1N1

3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does persistent lactation mean?