______________________ Francisco Lopez Rueda wrote: You are right on PCO that induces increased testosterone and the treatment improves the symptoms (cystic acne and chin hairs). I don't know any connection between thyroid problem and PCO. - Francisco L. Rueda, MD. _______________________ While I for one know I have a tendency to put greater stock in information coming from an "MD," the above post causes me some concern as to quality of information being presented from a supposed "medical" source, because this information is directly contradicted in numerous thyroid books, and the literature. For example, according to "The Thyroid and Reproductive System: Disorders of Menstruation, Fertility and Pregnancy" an article by Loren Wissner Greene, MD., F.A.C.P., F.A.C.E., published last year in the Thyroid Foundation of America's newsletter, the Bridge, Volume 10 Number 1... "Hypothyroidism has also been associated with an increased risk of having cysts forming on the ovaries, or polycystic ovaries [PCO]. This condition is also associated with decreased fertility." You can read the entire article at the TFA's web site: http://www.clark.net/pub/tfa/bridge/bridge.vol10.no1.html#reproductive The TFA is a major national organization dealing with thyroid disease, and many nationally prominent board-certified endocrinologists, including a reproductive endocrinologist like Dr. Wissner Greene, are members, and contributing authors to the newsletter. If anyone wishes more information... The Thyroid Foundation of America 350 Ruth Sleeper Hall - RSL 350 Parkman Street Boston, MA 02114-2698 (617)726-8500 1-800-832-8321 FAX (617)726-4136 Email: [log in to unmask] On the web: http://www.clark.net/pub/tfa/ If anyone would like any other references re: relationship between PCO and thyroid, please email me directly- [log in to unmask] --Mary