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Table 2 Fixed acupuncture protocol

From: A multicenter randomized trial of personalized acupuncture, fixed acupuncture, letrozole, and placebo letrozole on live birth in infertile women with polycystic ovary syndrome

PointStimulationLocationMuscleMuscle innervationMethod
Set 1
 Zhongji (CV3)EA4 cun caudal to the umbilicusFibrous tissue, linea albaL1Puncture perpendicularly 0.5–1.0 cun
 Qihai (CV6)EA1.5 cun caudal to the umbilicusFibrous tissue, linea albaTh11Puncture perpendicularly 0.8–1.2 cun
 Guilai (bilateral) (ST29)EA1 cun cranial to the pubic bone and 2 cun lateral to the midlineM. rectus abdominisTh6–12Puncture perpendicularly 0.7–1.2 cun
 Sanyinjiao (bilateral) (SP6)EA3 cun proximal to the medial malleolusM. flexor digitorum longus, tibialis posteriorL4–5, S1–2Puncture perpendicularly 0.5–1.0 cun
 Yinlingquan (bilateral) (SP9)EABelow the medial tibia chondyleM. gastrocnemiusS1–2Puncture perpendicularly 0.5–1.0 cun
 Hegu (bilateral) (LI4)De-qi 4 timesOn the highest point at the musculi interosseus dorsalisM. interosseus dorsalis I, lumbricalis II, adductor pollicisC8, Th1Puncture perpendicularly 0.5–1.0 cun
 Baihui (GV20)De-qi 4 timesOn the top of the headAponeurosis epicraniiC2–3,N trigeminusPuncture subcutaneously 0.3–0.5 cun
Set 2
 Tianshu (bilateral) (ST25)EA2 cun lateral to the midline at the level of the umbilicusM. rectus abdominisTh6–12Puncture perpendicularly 0.7–1.2 cun
 Guilai (bilateral) (ST29)EA1 cun cranial to the pubic bone and 2 cun lateral to the midlineM. rectus abdominisTh6–12Puncture perpendicularly 0.7–1.2 cun
 Zhongji (CV3)A4 cun caudal to the umbilicusFibrous tissue, linea albaL1Puncture perpendicularly 0.5–1.0 cun
 Qihai (CV6)A1.5 cun caudal to the umbilicusFibrous tissue, linea albaTh11Puncture perpendicularly 0.8–1.2 cun
 Sanyinjiao (bilateral) (SP6)EA3 cun proximal to the medial malleolusM. flexor digitorum longus, tibialis posteriorL4–5, S1–2Puncture perpendicularly 0.8–1.2 cun
 Taichong (bilateral) (LR3)EABetween metatarsal I and II, just distal to the caputM. interosseus dorsalis IS2–3Puncture perpendicularly 0.3–0.5 cun
 Neiguan (bilateral) (PC6)De-qi 4 times2 cun proximal to the processus styloideus radii, between the tendons of the palmaris longus and the flexor carpi radialisM. flexor digitorum superficialisC8, Th1Puncture perpendicularly 0.5–0.8 cun
 Baihui (GV20)De-qi 4 timesOn the top of the headAponeurosis epicraniiC2–3,N trigeminusPuncture subcutaneously 0.3–0.5 cun
  1. The two sets will be alternated for every other treatment
  2. Abbreviations: A acupuncture, C cervical vertebra, CV conception vessel, EA electroacupuncture, GV governor vessel, L lumbar vertebra, LI large intestine, LR liver, PC pericardium, S sacral vertebra, SP spleen, ST stomach, Th thoracic vertebra