Article ID Journal Published Year Pages File Type
3919566 European Journal of Obstetrics & Gynecology and Reproductive Biology 2015 4 Pages PDF
Abstract

ObjectiveGonadotropin releasing hormone agonists (GnRHa) decrease the expression of growth factors involved in the development of human endometriotic tissue. As endometriosis has been found to be associated with a mild increase in prolactin (PRL) serum levels, we aimed to evaluate changes in PRL serum levels as well as other hormones relevant to endometriosis and infertility during long-term administration of GnRHas in women with endometriosis.Study designIn this prospective pilot study we obtained blood samples on the first day of leuporeline administration and then subsequently after 4, 8 and 12 weeks in 22 patients.ResultsMedian PRL levels were unchanged after 4 weeks, but significantly decreased 8 and 12 weeks after the first leuporeline administration (p1 = 0.085, p2 = 0.020, p3 = 0.001). There was no significant decrease in serum anti-Mullerian hormone (AMH) levels over the whole period of down regulation with leuporeline (p1–3 > 0.05).ConclusionOur data support the hypothesis that the decrease of PRL levels might contribute to the known effect of GnRH treatment in patients with endometriosis via suppression of VEGF expression in endometriotic lesions. Moreover this study lends support to the thesis that AMH remains stable under GnRHa therapy and therefore can be also used as a marker of ovarian function prior to IVF-stimulation during down regulation.

Related Topics
Health Sciences Medicine and Dentistry Obstetrics, Gynecology and Women's Health
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