Table of contents
- The Effects of Serum and Follicular Fluid Vitamin D Levels on Assisted Reproductive Techniques: A Prospective Cohort Study
- Similar to this study Vitamin D levels in cells, not blood, is important (IVF follicular fluid in this case) – Aug 2021
- VitaminDWiki - Fertility and Sperm category
- VitaminDWiki - Vitamin D greatly improves Fertility
The Effects of Serum and Follicular Fluid Vitamin D Levels on Assisted Reproductive Techniques: A Prospective Cohort Study
Int J Fertil Steril. 2021 Oct;15(4):280-285. doi: 10.22074/IJFS.2021.138605.1033
G Hazal Neysanian 1, Mahboube Taebi 2, Atefeh Rezaeian 3, Mohammad Hossein Nasr-Esfahani 4 5, Maryam Jahangirifar 6
Background: Based on studies on animal models, vitamin D plays an essential role in reproduction by controlling Ca and Mg levels. Despite these findings, the effects of vitamin D deficiency and supplementation on the outcome of assisted reproductive techniques (ART) remain controversial. Therefore, the aim of the present study was to assess the relationship between serum and follicular fluid 25-OH vitamin D levels on reproductive outcomes of infertile women.
Materials and methods: This prospective cohort study included 150 infertile women who underwent in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI). The participants were allocated to one of the three groups according to their serum and follicular fluid 25-OH vitamin D concentrations (less than 10 ng/ml, between 10 and 30 ng/ ml and more than 30 ng/ml), and fertilization, cleavage and biochemical and clinical pregnancy rates were compared among the groups. Data was analyzed by SPSS software and using Chi-square and Spearman correlation coefficient.
Results: Serum and follicular fluid vitamin D levels significantly correlated with biochemical (P=0.008), (P=0.003) and clinical pregnancy (P=0.017), (P=0.001) rates respectively . However, the quality of embryos (P=0.125), (P=0.106) and fertilization rate (P=0.082), (P=0.059) were not associated with the level of serum and follicular fluid vitamin D.
Conclusion: This study found that women with higher levels of vitamin D in their serum and follicular fluid are significantly more likely to achieve pregnancy but without affecting the quality of embryo and fertility rate.
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Similar to this study Vitamin D levels in cells, not blood, is important (IVF follicular fluid in this case) – Aug 2021
VitaminDWiki - Fertility and Sperm category
See also:
Overview Women and Vitamin D
Overview Pregnancy and vitamin D Fertility and Vitamin D – several articles
Endometriosis
Ensure a healthy pregnancy and baby - take Vitamin D before conception
IVF OR "IN VITRO FERTILIZATION" etc. in 18 VitaminDWiki titles
VitaminDWiki - Vitamin D greatly improves Fertility
- Vitamin D is needed for human fertility – goal is 50 ng – Sept 2018
- In-vitro Fertilization costs at least 10,000 dollars, Vitamin D costs 5 dollars
- Infertile patients 1.7X more-likely to become pregnant if take Vitamin D – meta-analysis Feb 2023
- Live birth 1.7 X more likely after IVF if good level of vitamin D – meta-analysis Aug 2020
- If diagnosed infertile, more likely to have live birth if Vitamin D fortification – Feb 2020
- Preconception vitamin D is great - every extra 10 ng associated with 10 percent more likely to have live birth – Aug 2018
- Women with more than minimum vitamin D were 3.4 X more likely to achieve pregnancy and 1.6 X more likely to have live births – June 2017
- Assisted Reproduction – 5 studies concluded vitamin D repletion helps – Review March 2015
- Pregnancy success increased 30 percent if sunny (or vitamin D) one month earlier – June 2015
- IVF 4X more successful for white women with lots of vitamin D – many studies
Increased male Vitamin D increases fertility
- Birth rates doubled with Vitamin D - 300,000 for infertile men – RCT Nov 2017
- Conception was 3.7X more likely if the male had a good level of Vitamin D – July 2022
- Far better sperm in fertility clinic if more than 30 ng of Vitamin D - June 2022
- Fertility (sperm) associated with vitamin D – meta-analysis Sept 2019
- Infertility - 71 percent of the time of BOTH partners had less than 20 ng of Vitamin D – Aug 2017
- Male fertility 4 X higher if high Vitamin D – Nov 2015
- Vitamin D somewhat assists reproduction – both the mother and the father – May 2014
Decreased Fertility if decreased Vitamin D Receptor
- Unexplained infertility 4X more likely if poor vitamin D receptor – Dec 2020
- Male Infertility is associated with poor Vitamin D Receptor – July 2021
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