Take contraceptives later menstruation black

Menstruation is black and taking contraceptives has nothing to do with it, considering that it is mainly caused by qi stagnation and blood stasis, but also considering that it may be caused by cold stimulation of the abdomen and cold in the palace; you should improve your diet structure in time, drink ginger juice and brown sugar water appropriately to relieve symptoms, and go to the gynecology department of the regular hospital to do six sex hormone examinations.