Women with black menstrual blood and low volume are mostly related to uterine cold, blood stagnation and obstructed pelvic blood circulation, which are treated as follows: 1. If it is caused by low hormone level, you need to give estrogen and progesterone drugs for cycle treatment, you can take Da-Ying-35 and Drospirenone Estradiol tablets orally to adjust the menstrual cycle for 3-6 months, the volume of menstruation will increase and the color will change to dark red. will increase and the color will turn dark red.