Conception Vessel 7 (REN 7) Yin Jiao — Yin Intersection

This point, below the umbilicus, regulates the lower burner, benefits the uterus and regulates the Chong and Ren vessels.

Conception Vessel 7 (REN 7) Yin Jiao 陰交 — Yin Intersection

Location

On the lower abdomen, on the anterior midline, 1 cun inferior to the umbilicus.

Anatomy

On the linea alba; the inferior and superficial epigastric arteries; the tenth intercostal nerve.

Actions & Functions

  • Regulates the lower burner and the uterus
  • Regulates the Chong and Ren vessels and menstruation
  • Resolves damp

Indications

Irregular menstruation and uterine bleeding, lower abdominal pain, oedema, and hernia.

Needling

0.8-1.2 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With REN-4 and SP-6 for menstrual disorders.

Classical Text References

A meeting point with the Chong Mai and the Kidney channel.

Cautions & Contraindications

Caution in pregnancy.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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PubMed research

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Research summary (Traditional Chinese Medicine): Efficacy of traditional Chinese medicine in improving nutritional status among Chinese maintenance hemodialysis patients: a meta-analysis of - Frontiers in nutrition, 2026.