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1. Sperm quality and vitamin D not statistically significant - Nov 2010
2. vitamin D and testosterone - 2010.pdf
3. IVF and vitamin D - 2010.pdf
4. 130% more piglets after giving gilt Calcidiol, a form of vitamin D – Nov 2012
5. 3X more pregnancies when Vitamin D levels are high (assisted reproduction, women only) – Oct 2021
6. Assisted Reproduction – 5 studies concluded vitamin D repletion helps – Review March 2015
7. Assisted Reproduction might be aided by Vitamin D – review Dec 2014
8. Association between vitamin D and sperm parameters: Clinical evidence – Dec 2016
9. Better erection associated with better Vitamin D – July 2018
10. Better sperm associated with higher vitamin D (again) – April 2022
11. Better sperm if have higher level of vitamin D
12. Birth rates doubled with Vitamin D - 300,000 for infertile men – RCT Nov 2017
13. Boys who were born Small for Gestational age are 1.9X more likely to be infertile – Dec 2019
14. Clinical Trial vitamin D levels and IVF success – May 2011
15. Conception 1.5 X more likely if taking any amount of Omega-3 – Feb 2022
16. Conception and vitamin D
17. Conception was 3.7X more likely if the male had a good level of Vitamin D – July 2022
18. Conception within 6 months 3X more likely if high vitamin D – Oct 2019
19. Ensure a healthy pregnancy and baby - take Vitamin D before conception
20. Epileptics have problems with conception - Oct 2010
21. Erectile Dysfunction and vitamin D - many studies
22. Far better sperm in fertility clinic if more than 30 ng of Vitamin D - June 2022
23. Feel sexier with vitamin D and-or sunshine
24. Fertility (sperm) associated with vitamin D – meta-analysis Sept 2019
25. Fertility and Vitamin D – several articles
26. Fertility improved with vitamin D supplement, unsure if low D causes low fertility – Jan 2018
27. Fertility in both women and men improves with more vitamin D (but less than 50 ng for men) – Dec 2013
28. Fertility is a function of vitamin D around each egg (follicular fluid) – many studies
29. Fertility marker (Anti-Müllerian Hormone) improved in a week by a single dose to 50,000 IU of vitamin D – RCT July 2017
30. Fertility of defrosted sperm better if had increased dietary Omega-3 – many studies
31. Fertility of men and women reduced by obesity and low vitamin D (perhaps synergistically) – June 2019
32. Global sperm count dropped by 59 percent in 40 years – meta-analysis Aug 2017
33. Gonad hormone is associated with vitamin D level in adults– July 2012
34. High Testosterone is associated with higher vitamin D in soldiers – April 2015
35. Higher vitamin D and 2X higher testosterone in summer than winter – Aug 2010
36. How 60 ng of vitamin D enabled pregnancy - a personal story
37. Hypothesis - Dysfunction of Autonomic Nervous System is associated with low vitamin D – April 2017
38. Hypothesis – Fatigue the day after sex is due to deficiency of Vitamin D, Magnesium, and Zinc
39. Hypothesis: increased vitamin D will increase erections and decrease CVD – June 2012
40. If diagnosed infertile, more likely to have live birth if Vitamin D fortification – Feb 2020
41. In Vitro Fertilization (D5 SET ICSI) 40 percent more successful if high vitamin D – Sept 2014
42. In Vitro Fertilization clinical trial using 50,000 IU of Vitamin D bi-weekly – Dec 2024
43. In vitro fertilization is more successful when vitamin D in ovaries, not just blood, is increased – April 2022
44. In vitro fertilization NOT helped by 600,000 IU of vitamin D – RCT Sept 2021
45. In vitro fertilization not helped by vitamin D if ignore high levels and male levels – meta Mar 2016
46. In-vitro Fertilization costs at least 10,000 dollars, Vitamin D costs 5 dollars
47. Increased fertility (ovarian reserve, FSH) associated with higher levels of vitamin D – March 2015
48. Increased Testosterone and Erectile function, decreased weight with Vitamin D – March 2017
49. Infertile patients 1.7X more-likely to become pregnant if take Vitamin D – meta-analysis Feb 2023
50. Infertile women 10 percent more likely to die (perhaps due disease associated with low vitamin D – Nov 2017

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