acupoint 三阴交 acupointsanyinjiaowomenmenstruationblood

Sanyinjiao (SP6) - Three Yin Intersection

Learn about Sanyinjiao, where three yin meridians meet—a key point for women's health, menstruation, and nourishing blood.

Location

On the medial lower leg, 3 cun above the medial malleolus, posterior to the medial border of the tibia

Function

Strengthens spleen, nourishes blood, regulates menstruation, calms the mind

Sanyinjiao (SP6)

Sanyinjiao is a point on the Spleen meridian where the three yin meridians (Spleen, Liver, Kidney) converge. It is a key point for gynecological and reproductive health.

Location

On the medial aspect of the lower leg, 3 cun (about 4 finger-widths) above the tip of the medial malleolus, posterior to the medial border of the tibia.

TCM Functions

  1. Strengthens Spleen & Nourishes Blood: Tonifies spleen, generates Qi and blood
  2. Regulates Menstruation: Regulates menstrual cycle, addresses leukorrhea
  3. Nourishes Yin & Calms Mind: Enriches blood, quiets the spirit
  4. Benefits Kidney: Tonifies liver and kidney, strengthens constitution

How to Massage

  1. Daily Wellness:

    • Sit and press with thumb
    • Moderate pressure until sore
    • 3-5 minutes each side
  2. Menstrual Support:

    • Start daily pressure one week before period
    • Can relieve dysmenorrhea and irregular cycles
  3. Moxibustion:

    • Warm with moxa stick 15-20 minutes
    • Suitable for deficient cold, cold uterus

Indications

  • Irregular menstruation, dysmenorrhea, amenorrhea
  • Leukorrhea, gynecological inflammation
  • Insomnia, vivid dreams
  • Spleen deficiency, indigestion

Precautions

  • Contraindicated during pregnancy (may stimulate uterine contractions)
  • Use with caution during heavy menstruation
  • Can combine with Zusanli and Xuehai

Indications

Irregular menstruation
Dysmenorrhea
Leukorrhea
Insomnia
Spleen deficiency

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