Vitamin D3 Level in Women with Uterine Fibroid: An Observational Study in Eastern Indian Population
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Vitamin D deficiency has been proposed to be a risk factor in the pathogenesis of uterine fibroid in few recently published studies conducted in Europe and Africa. Nevertheless, no study has ever addressed similar query in Indian women where hypovitaminosis is very common.
A total of 144 women of age group 20–50 years belonging to Jamshedpur, Jharkhand, India, were included in the study. Out of which, 72 women had uterine fibroids and rest healthy women without fibroids served as controls. All women were subjected to ultrasound examination of uterus followed by measurement of serum FSH level (on 3rd day of menstruation) and serum vitamin D3.
The mean serum concentration of vitamin D3 was significantly lower in women with uterine fibroids compared to controls (10.81 ± 6.18 vs. 22.91 ± 16.18, p < 0.0001). On further analysis, 62.5% of cases were found to be severely deficient (vitamin D3 < 10 ng/mL) as compared to 26.39% of controls (p < 0.0001). Besides that, only 2.77% of cases had sufficient vitamin D level as compared to 23.61% of controls (p = 0.0002). The odds ratio (OR) of occurrence of fibroid with serum vitamin D3 level of < 10 ng/dl compared to that of level > 10 ng/dl was 4.64 (95% confidence interval [CI] 2.28–9.44) (p = 0.0001).
Serum vitamin D3 level inversely correlated with burden of uterine fibroid and possibly its deficiency is a risk factor for uterine fibroid occurrence in eastern part of India.
KeywordsVitamin D deficiency Risk factor Uterine fibroid
Compliance with Ethical Standards
Conflict of interest
Dr Vinita Singh, Dr Archana Barik and Dr Nadia Imam declare that they have no conflict of interest.
Informed Consent in Studies with Human Subjects
All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5). Informed consent was obtained from all patients for being included in the study.