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If diagnosed infertile, more likely to have live birth if Vitamin D fortification – Feb 2020

Chances of live birth after exposure to vitamin D–fortified margarine in women with fertility problems: results from a Danish population-based cohort study

Fertility and Sterility - February 2020 Vol113, Issue 2, Pages 383–391
Allan Jensen, M.Sc., Ph.D.a, M.Sc., Ph.D. Allan Jensen M.Sc., Ph.D. Allan Jensen, Michella L. Nielsen, M.D.b, Sonia Guleria, M.D.a, Susanne K. Kjaer, M.D., D.M.Sc.a,c, Berit L. Heitmann, Ph.D., D.M.Sc.d,e,f, Ulrik S. Kesmodel, M.D., Ph.D.b,g,h,i

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Fertility and Sperm category contains the following summary

106 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
Endometriosis
Ensure a healthy pregnancy and baby - take Vitamin D before conception
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Search VitaminDWiki for "Assisted reproduction" 177 items as of Sept 2019
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Search VitaminDWiki for "erectile dysfunction" 120 items as of July 2018
Conception and vitamin D snapshot as of 2012

Vitamin D greatly improves Fertility

Increased male Vitamin D also increases fertility


Fortification with Vitamin D

110 items in Fortification category

Fortification works, even if food is cooked, but govts rarely fortifiy with enough
Govts, food producers, and families can fortify:
   milk,   yogurt,   beer,   bread,  cereals,  cooking oil,  soups,  jams,   jellys,   honey,   snack bars, etc.
Some interesting fortification articles

Additional studies of Denmark stopping Vitamin D fortification

 Download the PDF from Sci-Hub via VitaminDWiki
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Objective
To study the association between extra vitamin D from a mandatory margarine fortification program and chance of live birth among infertile women.

Design: Nationwide cohort study.

Setting: Not applicable.

Patient(s): The study population consisted of 16,212 women diagnosed with infertility from June 1, 1980, to August 31, 1991.

Interventions(s)
We took advantage of the mandatory vitamin D fortification program of margarine in Denmark that was abruptly stopped on May 31, 1985. The termination of the vitamin D fortification served as a cutoff point to separate the study population into various exposure groups.

Main Outcome Measure(s)
Odds ratios and 95% confidence intervals for the association between vitamin D exposure status and chance of a live birth within 12, 15, and 18 months after first infertility diagnosis.

Result(s)
Women who were diagnosed with infertility during the vitamin D–exposed period had an increased chance of a live birth compared with women diagnosed with infertility during the nonexposed period. For women diagnosed with infertility during the wash-out period, the chance of a live birth was also increased, but somewhat lower. Similar estimates were obtained with longer follow-up, in women with anovulatory infertility, and little seasonal variation was observed when calendar period of conception was applied.

Conclusion(s)
Our findings suggest that infertile women exposed to extra vitamin D from a margarine fortification program had an increased chance of live birth compared with women not exposed to extra vitamin D from fortification.

 Download the Editorial from Sci-Hub via VitaminDWiki


Created by admin. Last Modification: Saturday February 29, 2020 13:04:19 GMT-0000 by admin. (Version 5)

Attached files

ID Name Comment Uploaded Size Downloads
13560 Live birth.jpg admin 29 Feb, 2020 12:46 38.95 Kb 78
13559 Fortification editorial.pdf PDF 2020 admin 29 Feb, 2020 12:45 77.68 Kb 36
13558 Fortification, live birth.pdf PDF 2020 admin 29 Feb, 2020 12:44 257.16 Kb 41
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