Medical Hypotheses
Volume 59, Issue 3 , Pages 312-313, September 2002

`Twist theory' for the roles of estrogen and testosterone in the process of spermatogenesis

  • Purushottam Sah

      Affiliations

    • Corresponding Author InformationCorrespondence to: Purushottam Sah DGO, Postgraduate diploma in obstetrics and gynecology, Arogya Niketan Private Limited, A-2, Kishan Abason, Verma Road, Uttarpara-712258, Calcutta, India. Phone: +91-33-663-8569

Calcutta, India

Received 9 November 2001; accepted 13 February 2002.

Abstract 

Estrogen and testosterone have different effects on different steps of spermatogenesis and for each step optimal levels of estrogen and testosterone are different. The effects of these hormones behave as if `twisted' from one end to the other end of the spectrum of steps of spermatogenesis. A graphic model is presented to explain this `Twist Theory'.

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PII: S0306-9877(02)00174-3

Medical Hypotheses
Volume 59, Issue 3 , Pages 312-313, September 2002

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