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- W2037448032 abstract "Premature elevation of plasmatic progesterone (P4) is usually considered as a poor prognosis factor for achieving a pregnancy. However, in the same time, progesterone level generally increases with high ovarian response. We took the opportunity of having a large cohort of ART cycles with P4 assessment on the day of HCG to better determine the risk factors of P4 increase and its impact on ART results. Retrospective study of an observational cohort of 10248 ART cycles in a private ART Unit (2004-2009) All cycles with P4 measures on the day of HCG triggering were included. P4 level were compared according to women's age, ovarian reserve (FSH, E2, AMH, CF), stimulation protocol and results (total dose of gonadotropins, E2 at HCG, number of collected oocytes. Then cycles were divided in 3 groups according to P4 value (<1.5, 1.5-1.9 and > = 2.0 ng/ml). Pregnancy rate (PR) per transfer was compared among the 3 groups, taking in account age, ovarian response (collected oocytes and small follicles) Statistical methods included variance analysis, chi-square, and multivariate logistic models. P< 0.05 was considered statistically significant. P4 was the highest in good prognosis cases: age <35, AMH>2ng/l. P4 was correlated with E2 on HCG day, with the numbers of oocytes and of small follicles. On the contrary, PR decreased from 26.2% to 18.3% with increasing P4. The drop was more important for young women, and was observed for all levels of ovarian response. In a multilogistic model including age, stimulation protocol and ovarian response, high P4 was associated with decreased chances of pregnancy (OR = 0.77, 95%CI: 0.63-0.93 and OR = 0.56, 0.43-0.73 for P4 at 1.5-1.9 and of > = 2.0ng/ml), respectively. Finally, abortion rate increased with high P4, particularly for women aged <35 and 35-39. Thus, P4 level is higher in case of good ovarian reserve and response and of younger age. However, when taking in account these variables, high P4 is always deleterious for ART results." @default.
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- W2037448032 date "2011-09-01" @default.
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- W2037448032 title "Elevated progesterone on hCG trigger day is always detrimental for art result" @default.
- W2037448032 doi "https://doi.org/10.1016/j.fertnstert.2011.07.731" @default.
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