In 13 patients at an age of 17 to 26 years with intermittent or secondary amenorrhea an attempt was made to stimulate the pituitary gland by ear-acupuncture. The objective parameter for the comparison was the concentration of the luteinizing hormone (LH) in the serum during acupuncture and the LH-RH-releasing test. 6 of these patients were subjected to a so-called "placebo-acupuncture" to perform a blind-test. The results showed, that ear-acupuncture caused a significant decrease of the LH-concentration in the serum. The clinical results showing a positive effect of ear-acupuncture in the mentioned types of amenorrhea could therefore be explained as a rebound phenomenon.
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