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Fertil Steril. 1988 Mar;49(3):522-6.

Galactose inhibition of ovulation in mice.

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Department of Anatomy, Louisiana State University Medical Center, New Orleans 70112.


Clinical evidence suggests an association between galactosemia and premature ovarian failure. In the present study, adult female mice were fed a diet consisting of 50% galactose for either 2, 4, or 6 weeks. At all times there was a decrease in the normal ovulatory response, as evidenced by a reduction in the number of corpora lutea when compared with controls. Additionally, the exposure of galactose-treated mice to a superovulatory regimen of pregnant mare's serum gonadotropin (PMSG) and human chorionic gonadotropin (hCG) failed to induce an increased ovulatory response. Morphologic alterations, such as the increase in interstitial tissue and the appearance of lipofuscin, coupled with the failure to respond to exogenous gonadotropins, suggest that the reduced ovulatory response may be occurring at the level of the ovary. This effect, however, is reversible with cessation of galactose treatment.

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