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Male fertility 4 X higher if high Vitamin D – Nov 2015

Males with low serum levels of vitamin D have lower pregnancy rates when ovulation induction and timed intercourse are used as a treatment for infertile couples: results from a pilot study

Reproductive Biology and Endocrinology (2015) 13:127 DOI 10.1186/s12958-015-0126-9
Massimo Tartagni1, Maria Matteo2, Domenico Baldini3, Mario V. Tartagni3, Hala Alrasheed3, Maria A. De Salvia1, Giuseppe Loverro1 and Monica Montagnani1*

Vitamin D Life Summary

All women had > 30 ng of vitamin D – were supplemented as needed

Portion of Table 2 & 4 Male

GROUP 1 GROUP 2 P Value
Normal Vit D Low Vit D
Serum Vit. D 34 ng 18 ng p < 0.001
Pregnancy rate/patient 28 % 8 % p < 0.05
Pregnancy rate/cycle 9 %3 % p < 0.05
Delivery rate/patient 22% 4 % p < 0.02
Delivery rate/cycle (%) 7 % 1 % p < 0.01

See also Vitamin D Life


Healthy pregnancies need lots of vitamin D

Problem
ReducesEvidence
0. Chance of not conceiving3.4 times Observe
1. Miscarriage 2.5 times Observe
2. Pre-eclampsia 3.6 timesRCT
3. Gestational Diabetes 3 times RCT
4. Good 2nd trimester sleep quality 3.5 times Observe
5. Premature birth 2 times RCT
6. C-section - unplanned 1.6 timesObserve
     Stillbirth - OMEGA-3 4 timesRCT - Omega-3
7. Depression AFTER pregnancy 1.4 times RCT
8. Small for Gestational Age 1.6 times meta-analysis
9. Infant height, weight, head size
     within normal limits
RCT
10. Childhood Wheezing 1.3 times RCT
11. Additional child is Autistic 4 times Intervention
12.Young adult Multiple Sclerosis 1.9 timesObserve
13. Preeclampsia in young adult 3.5 timesRCT
14. Good motor skills @ age 31.4 times Observe
15. Childhood Mite allergy 5 times RCT
16. Childhood Respiratory Tract visits 2.5 times RCT

RCT = Randomized Controlled Trial
click here for details


Ensure a healthy pregnancy and baby - take Vitamin D before conception

has the following
Start Vitamin D soon if pregnant VDW 9923
click on chart for details

 Download the PDF from Vitamin D Life

Background: Vitamin D (Vit D) is important for the regulation of reproductive physiology. In humans, maternal Vit D deficiency has been implicated in several reproductive- and pregnancy-related disorders. Very few data are available regarding the Vit D status in male partners of couples attempting pregnancy. This observational study (IRB Prot. N. 078/13) aimed to evaluate whether low Vit D serum levels in males might decrease the rate of successful conception in couples attempting pregnancy.

Methods: Male and female partners of infertile couples (n = 102) were classified into 2 GROUPS according to normal (>30 ng/ml) or low (below 30 ng/ml) serum Vit D levels in male partners. Semen analysis was performed in each male participant based on the WHO reference criteria. The female partners of both groups were subjected to 3 consecutive cycles of gonadotropin-induced mono-ovulation. The main outcome measures included the clinical pregnancy rate, delivery per patient and per cycle, and miscarriage rate between the 2 groups evaluated at the end of the three-month period of the study.

Results: In male partners of both groups, standard semen analysis did not highlight substantial differences in sperm concentration, sperm progressive motility, or typical form. The pregnancy rates per patient and per cycle and delivery rates per patient and per cycle were all significantly higher (p< 0.05) in couples with normal Vit D levels.

Conclusions: These results suggest the existence of a relationship between male Vit D serum levels and semen ability to begin a pregnancy during cycles of timed vaginal intercourse.


185 studies found 50% decrease in Sperm Count and Concentration in 38 years

Image


Study in China however found infertility associated only with the active form of vitamin D - March 2016

Investigation of serum vitamin D levels in Chinese infertile men.
Andrologia. 2016 Mar 18. doi: 10.1111/and.12570. Epub ahead of print
Zhu CL1, Xu QF2, Li SX1, Wei YC1, Zhu GC1, Yang C1, Shi YC3,4.
1Department of Nuclear Medicine, Suzhou Municipal Hospital, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou, Jiangsu, China.
2Department of Clinical Laboratory, Suzhou Municipal Hospital, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou, Jiangsu, China.
3Center for Reproduction and Genetics, Suzhou Municipal Hospital, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou, Jiangsu, China.
4State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.

Recently, the question of whether vitamin D exerts an effect on the pathogenic process of infertility has become the centre of attention. There are some controversial conclusions on this issue. Based on previous studies, we sought to explore the difference of serum 25-hydroxyvitamin D3 , 1,25-dihydroxyvitamin D3 levels between infertile patients and fertile men, and to find the influence on semen quality.
The analysis of serum 25-hydroxyvitamin D3 level showed no significant difference between infertile patients and fertile men.
However, the levels of serum 1,25-dihydroxyvitamin D3 in

  • oligospermia (P < 0.05),
  • asthenospermia (P < 0.01),
  • oligoasthenospermia (P < 0.05) and
  • azoospermia (P < 0.01)

patients were significantly lower than those in fertile men.
Moreover, serum 1,25-dihydroxyvitamin D3 level was positively correlated with progressive motility and total sperm number in infertile patients.
In addition, a positive correlation between serum prolactin and 1,25-dihydroxyvitamin D3 was observed in fertile men.
Our results indicated that lower vitamin D could be a risk factor for poor semen quality in infertile men.
The 1,25-dihydroxyvitamin D3 , as the biologically active form of vitamin D, may be more significant.

Male fertility 4 X higher if high Vitamin D – Nov 2015        
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