Is progesterone 0.11 very low, which will cause irregular menstruation

Progestin 0.11 low not low need to be based on the stage, if it is in the menstrual period progesterone 0.11, then generally can not be considered low, belongs to the normal situation. But if the female progesterone before menstruation is 0.11, then some low, there may be a certain impact on women's menstruation, resulting in irregular menstruation.