Local and systemic factors and implantation What is the evidence

Friday, April 1, 2016
Some medical conditions and lifestyle factors can influence implantation in the setting of IVF. Multiple endometrial and circulating factors affecting implantation will be reviewed.

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Is vitamin D the answer for prevention of uterine fibroids

Tuesday, September 1, 2015
Reflections on "Role of vitamin D in uterine fibroid biology" by Brakta et al.

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Impact of circulating levels of total and bioavailable serum vitamin D on pregnancy rate in egg donation recipients

Tuesday, November 25, 2014
Vitamin D insufficiency or deficiency does not influence implantation and pregnancy rates in oocyte recipients.

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Role of vitamin D in ovarian physiology and its implication in reproduction A systematic review

Wednesday, July 30, 2014
Vitamin D plays an important role in steroidogenesis, follicular development, ovarian reserve measures/markers, and IVF outcome. Vitamin D might have a beneficial reproductive effect in vitamin D–deficient women with polycystic ovary syndrome.

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Polymorphisms in vitamin D related genes and risk of uterine leiomyomata

Wednesday, July 30, 2014
Polymorphisms in the vitamin D pathway (rs12800438 near DHCR7 and rs6058017 in ASIP) were associated with fibroid risk, supporting the hypothesis that vitamin D deficiency is involved in fibroid etiology.

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High dose vitamin D supplementation and measures of insulin sensitivity in polycystic ovary syndrome A randomized controlled pilot trial

Sunday, June 1, 2014
In a randomized, placebo-controlled trial of vitamin D in PCOS, insulin sensitivity was unchanged, but there was a trend toward decreased 2-hour insulin and a protective effect on blood pressure.

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Influence of vitamin D levels on in vitro fertilization outcomes in donor recipient cycles

Friday, January 31, 2014
In this retrospective cohort study, we measured vitamin D levels in 99 recipients of egg donation. Nonreplete vitamin D status [25(OH)D<30 ng/mL] was associated with lower clinical pregnancy and live-birth rates.

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Altered insulin induced relaxation of aortic rings in a dihydrotestosterone induced rodent model of polycystic ovary syndrome

Monday, February 4, 2013
Insulin-dependent vasorelaxation in aortic rings in a PCOS rat model is decreased (both NO-dependent or independent), and vitamin D treatment can improve only the NO-independent model.

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Pregnancy in dark winters Implications for fetal bone growth

Wednesday, January 2, 2013
The high prevalence of maternal hypovitaminosis D in women who are pregnant during winter months in northern latitudes may have detrimental effects on fetal skeletal growth.

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Circulating Vitamin D Correlates with Serum Anti-Mullerian Hormone Levels in Late Reproductive-Aged Women: Women’s Interagency HIV Study

Thursday, June 7, 2012
Serum 25-hydroxyvitamin D levels are positively correlated with serum antim€ullerian hormone levels in latereproductive-aged women (40 years old).

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Arteriolar insulin resistance in a rat model of polycystic ovary syndrome

Thursday, May 31, 2012
In dihydrotestosterone-treated female rats, decrease of insulin-induced relaxation of arterioles was observed in addition to metabolically proven insulin resistance; both were improved by parallel vitamin D treatment.

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