LOCATION
3 cun below the umbilicus, 0.5 cun lateral to Guanyuan (CV4).
Features
Meeting point of Kidney Meridian and Chong Vessel.
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The twelfth intercostal nerve, the muscular branches of the arteries and veins under the abdominal wall.
Indication
Menstrual disorders，abdominal pain， leukorrhagia，uterine deficiency，infertility ，chromic diarrhea，frequent urination (reddish/whitish)，hypochondriac pain，lumbar pain. KI 11, KI 12, KI 13, KI 14 & KI 15 all intersect the Chong Mai and are useful as local points for abdominal a/or gynecological issues.
Combinations
Amenorrhoea：CV 04 & KI 13 & SP 06.
穴位
下腹部臍下三寸，前正中線（關元）旁開五分處。
特點
交會穴，通衝脈。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
第十二肋間神經，腹壁下動、靜脈肌支。
適應症
月事不調、腹痛、帶下、子宮虛寒、不孕、濁氣凝結下焦、泄痢不止、赤白淋瀝、兩脇疼痛、氣上下引腰脊痛。
穴位配伍療法
閉經：1.關元 2.氣穴 3.三陰交