English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

A gonadotrophin-releasing hormone agonist stimulation test determination of follicle stimulating hormone (FSH) concentrations before and 2 h after buserelin injection was carried out in 78 in-vitro fertilization cycles, and compared with basal FSH concentrations to predict ovarian response. Ovarian response was quantified by the ratio of peak oestradiol concentration divided by the total dose of human menopausal gonadotrophin (HMG) administered, the most reproducible parameter in 11 patients who underwent two treatment cycles. Stimulation outcome was highly related to the buserelin test, the best prognostic indicator being the sum of FSH concentrations. However, basal FSH concentration achieved similar correlations, even in those patients aged &gt; 35 years. Sensitivity, specificity, positive and negative predictive values of basal FSH concentration and sum of FSH concentrations were similar. Low basal concentration and sum of FSH concentrations were both associated with a better ovarian response. Construction of receiver operator characteristic curves demonstrated that basal FSH concentration was more informative than the sum of FSH concentrations. Finally, the sum of FSH concentrations did not increase the prediction of ovarian response variability. We conclude that the buserelin test is strongly predictive of stimulation outcome, but is no more informative than the usual screening. We suggest that the performance of other stimulation tests should be clearly compared with that of basal FSH concentration.

Endocrinology: Ovarian reserve test with the gonadotrophin-releasing hormone agonist buserelin: correlation with in-vitro fertilization outcome