Biomedical subjects
Publications and source records attributed to M Edson.
Plasma testosterone, LH, and FSH were measured in 24 healthy subjects prior to and after bilateral vasectomy. No significant changes were noted in any of the hormones 42 and 87 days after surgery; this indicated that normal testicular function persisted during the period of study.
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Plasma testosterone, LH and FSH were measured in 20 healthy subjects prior to and one day after bilateral vasectomy. No significant change in these hormones was noted after surgery. These data suggest that the decrease in free testosterone index and FSH reported by others at one week post-vasectomy is probably not related to the effects of psychological stress, local anesthesia or surgical stress, either singularly or in concert. Further studies are indicated to evaluate the transient hormonal changes reported within the first few weeks following vasectomy.