PMT

Whereas period pain is seen as a stagnation of blood, PMT is seen as due to stagnation of energy with the stagnation producing such symptoms as bloating and breast tenderness and with the impaired flow of energy frequently affecting the emotions, giving rise to feelings of irritability and volatility.

Cyperus +6 - Moves qi, relieves pain.
White Atractylodes +7 - Relieves stagnation and promotes free flow.