Yes, TRAVAIL is a Scrabble word!

Letter values in Scrabble US: T 1, R 1, A 1, V 4, A 1, I 1, L 1.

Is it a valid word?

TRAVAIL is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

concluding state of pregnancy; from the onset of contractions to the birth of a child
use of physical or mental energy; hard work

Also: lying-in, elbow grease.

Not playable in Scrabble US: PARTURIENCY.