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citations
Cited by 32 publications
(32 citation statements)
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References 28 publications
(21 reference statements)
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“…Some studies report a high prevalence of VDD worldwide [5052], even in countries at low latitudes, where there is usually higher UVB irradiation, resulting in conditions suitable for synthesis of the vitamin. A recent study involving Brazilian women of reproductive age presented a mean of 25(OH)D as 23.8 ± 8.7 ng/mL [53], values very close to ours. A recent study carried out in the United Kingdom evaluating individuals with class III obesity in preoperative bariatric surgery [54] showed a 90% percentage of serum vitamin D deficiency, assessed in the form of 25(OH)D in the sample studied, data similar to our findings.…”
Section: Discussionsupporting
confidence: 88%
“…Some studies report a high prevalence of VDD worldwide [5052], even in countries at low latitudes, where there is usually higher UVB irradiation, resulting in conditions suitable for synthesis of the vitamin. A recent study involving Brazilian women of reproductive age presented a mean of 25(OH)D as 23.8 ± 8.7 ng/mL [53], values very close to ours. A recent study carried out in the United Kingdom evaluating individuals with class III obesity in preoperative bariatric surgery [54] showed a 90% percentage of serum vitamin D deficiency, assessed in the form of 25(OH)D in the sample studied, data similar to our findings.…”
Section: Discussionsupporting
confidence: 88%
“…Interestingly, however, Lopes and cols. (8) pointed out the high prevalence of hypovitaminosis D in a young premenopausal population, which is in agreement with the low vitamin D levels described for postmenopausal and older women in Brazil. Vitamin D and its level of impact on fertility is a matter to be defined.…”
supporting
confidence: 83%
“…Although low levels of vitamin D are present in different diseases, infertile women studied in the article by Lopes and cols. (8) and also by others (9) did not show lower levels compared to controls. The literature in the field is ambiguous, showing both the importance of its adequate level and the lack of effect in infertility issues, such as polycystic ovary syndrome, endometriosis, myoma-induced infertility, male infertility, premature ovary failure and in vitro fertilization techniques (10,11).…”
mentioning
confidence: 53%
“…Em território brasileiro, estudos mostram prevalência de níveis insuficientes e deficientes de 25(OH)D em cerca de 60% dos adolescentes (Peters et al, 2012); de 40% e 58% entre adultos jovens (Premaor et al, 2008;Maeda, 2010), e entre 42% e 83% em idosos, com taxas mais altas nos indivíduos com idades mais avançadas (Holick, 2007;Silva et al, 2008). Lopes et al (2017) encontraram uma prevalência de 81,1% de níveis Dissertação para defesa de Mestrado -Divisão de Urologia FMUSP 2 insuficientes e deficientes de vitamina D em mulheres com queixa de infertilidade atendidas em um centro de reprodução assistida em Brasília (Lopes et al, 2017), eles concluíram que a prevalência de deficiência de VD em mulheres em idade reprodutiva é elevada, independentemente do seu potencial fértil. Porém eles reforçam que o mecanismo de influência desse composto no sistema reprodutor feminino deve ser estudado de forma mais aprofundada (Lopes et al, 2017).…”
Section: Introductionunclassified
“…Lopes et al (2017) encontraram uma prevalência de 81,1% de níveis Dissertação para defesa de Mestrado -Divisão de Urologia FMUSP 2 insuficientes e deficientes de vitamina D em mulheres com queixa de infertilidade atendidas em um centro de reprodução assistida em Brasília (Lopes et al, 2017), eles concluíram que a prevalência de deficiência de VD em mulheres em idade reprodutiva é elevada, independentemente do seu potencial fértil. Porém eles reforçam que o mecanismo de influência desse composto no sistema reprodutor feminino deve ser estudado de forma mais aprofundada (Lopes et al, 2017).…”
Section: Introductionunclassified