Those who do not have menstruation can press points such as Qihai, Sanyinjiao and Guilai. Qihai is located in the lower abdomen, 1.5 inches below the middle of the umbilicus and on the anterior midline. It is used for treating deficiency, emaciation, exhaustion of the organs and qi, fatigue, failure to transform water and grains, pain around the umbilicus, diarrhea, dysentery, constipation, dysuria, dyspareunia (unruly urination), and enuresis. Sanyinjiao, located on the inner side of the lower leg, 3 inches above the tip of the inner ankle, at the posterior margin of the medial edge of the tibia. It treats intestinal tinnitus, abdominal distension, diarrhea, spermatorrhea, impotence, enuresis, palpitations (rapid heartbeat, often accompanied by panic), insomnia, hypertension, impotence and paralysis of the lower limbs (lower limb weakness, numbness and pain), and signs of yin deficiency. Returning, located in the abdomen, 4 inches below the umbilicus and 2 inches to the side. It is used for treating abdominal pain, hernia, irregular menstruation, amenorrhea, metrorrhagia (excessive menstrual flow or dribbling), hyperemesis gravidarum, yin ting (prolapse of the uterus in women or even prolapse out of the vaginal opening), spermatorrhea, impotence, and so on. If the symptom of absence of menstruation is not relieved, prompt medical treatment is recommended.