A worldwide high prevalence of vitamin D (VD) deficiency has become of growing concern
because of potential adverse effects on human health, including pregnant women and their …

STUDY QUESTION Is serum vitamin D associated with live birth rates in women undergoing
ART? SUMMARY ANSWER Women undergoing ART who are replete in vitamin D have a …

Background Vitamin D deficiency during pregnancy is associated with adverse pregnancy
outcomes, although the association between preconception vitamin D concentrations and …

Purpose This study investigated the relationship between the vitamin D [25 (OH) D] level in
individual follicles and oocyte developmental competence. Methods A prospective cohort …

The role of vitamin D in female reproduction has been intensively examined over the last few
decades. A large body of evidence suggests that vitamin D might have beneficial effects on …

Objective To investigate the impact of serum vitamin D level on in vitro fertilization (IVF)
outcomes. Design Systematic review and meta-analysis. Setting Not applicable. Patients …

Vitamin D is a versatile hormone with several functions beyond its well-established role in
maintenance of skeletal health and calcium homeostasis. The effects of vitamin D are …

The process of development depends on a number of signaling systems that regulates the
progressive sequence of developmental events. Infertility and neurodevelopmental …

Background Vitamin D deficiency has been associated with an increased risk of abnormal
pregnancy implantation leading to obstetric complications such as pre-eclampsia and fetal …

A comprehensive analysis of the vitamin D status of infertile women is the first step in
understanding hypovitaminosis impact on reproductive potential. We sought to determine …