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In vitro fertilization is more successful when vitamin D in ovaries, not just blood, is increased – April 2022

Calcifediol (25OHD) Deficiency and Its Treatment in Women’s Health and Fertility

Nutrients 2022, 14(9), 1820; https://doi.org/10.3390/nu14091820
by Ana Arnanz 1,2,Juan A. Garcia-Velasco 2ORCID andJosé Luis Neyro 3,*ORCID
1 IVIRMA, 28023 Madrid, Spain
2 Departamento de Biomedicina y Biotecnología, Universidad de Alcalá de Henares, 28023 Madrid, Spain
3 Academia de Ciencias Médicas de Bilbao, Gynecology and Obstetrics Service, Hospital Universitario Cruces, 48009 Bilbao, Spain

Currently, there is abundant scientific evidence showing that the vitamin D endocrine system (VDES) is a highly complex endocrine system with multiple actions in different regions of the body. The unequivocal presence of vitamin D receptors in different tissues related to fertility, and to specific aspects of women’s health such as pregnancy, undoubtedly implies functions of this steroid hormone in both male and female fertility and establishes relationships with different outcomes of human gestation. In order to review the role of the VDES in human fertility, we evaluated the relationships established between 25-hydroxyvitamin D (calcifediol) deficiency and in vitro fertilization, as well as aspects related to ovarian reserve and fertility, and commonly diagnosed endocrinopathies such as polycystic ovary disease. Likewise, we briefly reviewed the relationships between calcifediol deficiency and uterine fibroids, as well as the role that treatment may have in improving human fertility. Finally, the best scientific evidence available on the consequences of calcifediol deficiency during pregnancy is reviewed in relation to those aspects that have accumulated the most scientific literature to date, such as the relationship with the weight of the newborn at the time of delivery, the appearance of preeclampsia, and the risk of developing gestational diabetes and its final consequences for the pregnancy. To date, there is no definitive consensus on the necessary dose for treatment of calcifediol deficiency in the therapeutic management of infertility or during pregnancy. Large prospective clinical intervention studies are needed to clarify the benefits associated with this supplementation and the optimal dose to use in each situation. Although most intervention studies to date have been conducted with cholecalciferol, due to its much longer history of use in daily care, the use of calcifediol to alleviate 25-hydroxyvitamin D deficiency seems safe, even during pregnancy.
The unequivocal presence of vitamin D receptors in very different tissues related to human fertility, both male and female, as well as in structures typical of pregnancy, allows us to investigate the crucial role that this steroid hormone has in specific aspects of women’s health, such as pregnancy and the ability to conceive. Well-designed clinical studies are needed to elucidate the necessary dose and the best form of treatment to resolve the very common calcifediol deficiency in women of reproductive age.
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Vitamin D levels in follicular fluid but not in serum, were associated with

  • embryo quality,
  • normal fertilization,
  • implantation rates, and
  • clinical pregnancy rates.

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5 poor gene activations can restrict Vitamin D in the blood from actually getting to the cells
The vitamin D receptor appears to be both the most important as well as the most easily activated of the genes

VitaminDWiki - Fertility and Sperm category contains

128 items in Fertility or Sperm in VitaminDWiki

See also:
Overview Women and Vitamin D
Overview Pregnancy and vitamin D    Fertility and Vitamin D – several articles
Ensure a healthy pregnancy and baby - take Vitamin D before conception
IVF OR "IN VITRO FERTILIZATION" in 11 VitaminDWiki titles as of Jan 2022
Search VitaminDWiki for "Assisted reproduction" 177 items as of Sept 2019
Search VitaminDWiki for "polycystic ovary syndrome" OR PCOS" Sept 2019
Search VitaminDWiki fore Testosterone 77 items just in webpages as of Sept 2020
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Conception and vitamin D snapshot as of 2012

VitaminDWiki - (Vitamin D greatly improves Fertility__

Increased male Vitamin D increases fertility

Decreased Fertility if decreased Vitamin D Receptor

VitaminDWiki pages with IVF or IN VITRO FERTILIZATION in title (13 as of April 2022)

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Items found: 13

This study discusses Calcifediol. but others find that just giving more Vitamin D is better

Calcifediol = Calcidiol category listing has 52 items along with related searches

Created by admin. Last Modification: Wednesday April 27, 2022 19:07:08 GMT-0000 by admin. (Version 7)

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