(1) Syndrome of cold coagulation and blood stasis
Main symptoms: Lower abdominal cold pain or colic worsened by pressure, or lower abdominal mass, profuse or scanty menses with purplish color and blood clot, alleviation of abdominal pain after removal of blood clot, cold limbs, purplish and blackish tongue with ecchymosis and whitish and slippery fur, deep and taut or deep and tense pulse before menstruation.

(2) Syndrome of qi stagnation and blood stasis
Main symptoms: Unbearable lower abdominal pain before and during menstruation, or lower abdominal mass, profuse menses with deep-red color and blood clot,slight alleviation of pain after removal of blood clot, premenstrual dysphoria and susceptibility to rage, distending pain in chest, hypochondria and breasts, blackish tongue or tongue with ecchymosis and taut pulse.

(3) Syndrome of qi asthenia and blood stasis
Main symptoms: Unbearable and prolapsing pain in the lower abdomen, profuse or delayed menstruation with light color and thin texture menses, or lower abdominal mass, lassitude, anorexia, grayish tongue or tongue with ecchymosis, thin and unsmooth pulse.