1995
DOI: 10.1007/bf02211792
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The predictive value of serum progesterone and 17-OH progesterone levels onin vitro fertilization outcome

Abstract: Excellent clinical pregnancy rates were noted in cycles with a progesterone level of 0.7-0.8 ng/ml, as well as good results in cycles above 0.8 ng/ml. There is therefore no reason to administer human chorionic gonadotropin at a smaller follicle size to prevent a rise in serum progesterone.

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Cited by 28 publications
(5 citation statements)
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“…There have already been many papers published on this topic; however, some of them do not show a relationship between progesterone levels and pregnancy rates (Check, 1994;Bustillo et al, 1995;Levy et al, 1995;Miller et al, 1996;Venetis et al, 2007;Edelstein et al, 1990;Ubaldi et al, 1995;Silverberg et al, 1991). The latter work is a meta-analysis, which has some points of controversy like the lack of uniformity regarding the type of GnRH analogue used as well as the cutoff to define elevated serum progesterone.…”
Section: Discussionmentioning
confidence: 99%
“…There have already been many papers published on this topic; however, some of them do not show a relationship between progesterone levels and pregnancy rates (Check, 1994;Bustillo et al, 1995;Levy et al, 1995;Miller et al, 1996;Venetis et al, 2007;Edelstein et al, 1990;Ubaldi et al, 1995;Silverberg et al, 1991). The latter work is a meta-analysis, which has some points of controversy like the lack of uniformity regarding the type of GnRH analogue used as well as the cutoff to define elevated serum progesterone.…”
Section: Discussionmentioning
confidence: 99%
“…Although serum progesterone concentration in the late follicular phase is considerably lower than that observed in connection with the mid-cycle surge of gonadotrophins or as induced by human chorionic gonadotrophin (HCG) for ovulation induction, even subtle increases in relatively low progesterone concentrations have been suspected to negatively affect ongoing pregnancy rates in connection with ovarian stimulation, possibly through an advancement of endometrial maturation (Fanchin et al, 1997a;Smitz et al, 2007). A number of studies have reported a negative association between progesterone concentration and clinical pregnancy rate (Azem et al, 2008;Bosch et al, 2003Bosch et al, , 2010Check et al, 1993;Fanchin et al, 1993Fanchin et al, , 1997bHarada et al, 1996;Shulman et al, 1996), while many others found no association (Abuzeid and Sasy, 1996;Bustillo et al, 1995;Check, 1994;Doldi et al, 1999;Edelstein et al, 1990;Givens et al, 1994;Hofmann et al, 1993;Levy et al, 1995;Martinez et al, 2004;Miller et al, 1996;Moffitt et al, 1997;Niu et al, 2008;Silverberg et al, 1991;Ubaldi et al, 1995;Urman et al, 1999;Venetis et al, 2007). Collectively, in 2007 a meta-analysis concluded that there was no statistical association between the late-follicular-phase progesterone concentrations and the ongoing pregnancy rates (Venetis et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Pre HCG progesterone rise was defined by many studies that serum P more than 0.8-2 ng/ml [3,6,13,14] , however in most of these studies, the threshold for P was demonstrated arbitrary.…”
Section: Discussionmentioning
confidence: 99%
“…The impact of subtle P rise on the day of HCG administration on IVF/ICSI outcome is controversial; some studies showed that it has no association with pregnancy rates (PRs) [4,[6][7][8][9][10] , whereas others showed that it has negative impact [11][12][13][14] .…”
Section: Introductionmentioning
confidence: 99%