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Ultraviolet light (like Vitamin D) is great, especially while pregnant – Aug 2018

Ultraviolet radiation and its effects on pregnancy: A review study.

J Family Med Prim Care. 2018 May-Jun;7(3):511-514. doi: 10.4103/jfmpc.jfmpc_311_17.
Botyar M1, Khoramroudi R1. Department of Midwifery, Tehran, Iran.

VitaminDWiki

Healthy pregnancies need lots of vitamin D has the following summary

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

 Download the PDF from VitaminDWiki

Seasons and Vitamin D are factors that are directly and indirectly related to ultraviolet (UV) radiations and can affect pregnancy. Therefore, the present study aims at investigating the effects of being exposed to direct UV radiation during pregnancy period and its effects on fetal growth, premature birth, and high blood pressure. This study was conducted by searching different websites such as Medline, Embase, ProQuest, Global Health, Google Scholar, and Scopus. Of the 430 papers found, between 1985 and 2017, seventeen related articles were used. The results showed that being exposed to UV radiation during the first 3 months of pregnancy is associated with improved fetal growth and causes high blood pressure during pregnancy. The literature shows that being women exposure to UV radiation had beneficial effects on fetal growth and blood pressure during pregnancy period. However, since this issue has not been extensively studied in the past, the results from previous studies should be generalized with extreme care and caution. Therefore, it is suggested that further studies be carried out in this area.

Conclusions

The present study is a review of the effects of UV radiation on birth consequences and pregnancy complications. Despite the importance of such a study, few studies were available to be able to extract more general results. Despite the scarcity of studies in the area, the studies showed that exposure to UV during the first 3 months of pregnancy is beneficial for the growth of the fetus. On the other hand, UV radiation causes pregnancy blood pressure to increase. In the present review, the effects on fetal growth due to exposure to UV are not contradictory, but methodological limitations force us to apply the results with extreme care and caution. Fetal growth may be affected by exposure to UV radiation, and the review studies by Pérez-López et al. and Wei et al. lend support to the conclusion. In their review studies, the data for Vitamin D and pregnancy showed similar relationships between early and mid-pregnancy defects and fetal growth limitations.[16,26] The two studies conducted in New Zealand showed beneficial effects for exposure to UV in the first 3 months of pregnancy, while neither Elter (2004) nor Pereira et al. reported these beneficial effects in areas with low altitudes in the two countries of Turkey and Australia.[20,21,22,23] Regarding cardiovascular complications and diseases in adults, the effects of UV have been identified. Less exposure to UV causes high blood pressure in people.[11,27,28,29] High blood pressure in common among 10% of pregnant women, and it is an important and significant factor in infants and mother mortality rates.[30] Nitric oxide path has been identified by Liu (2014). During exposure to UV, nitric oxide is released from the skin, and nitric oxide is a central signal for vascular compatibility and also causes the growth of the fetus during pregnancy.[31,32] Nitrate donors such as L-arginine, sildenafil, and isosorbide mononitrate are used in clinical cases to prevent preeclampsia in fetal growth limitation.[33,34] Less exposure to in the third 3 months of pregnancy is associated with pregnancy high blood pressure.[24,25]

Optimizing pregnancy conditions is vital to the health of future generations. Sunlight is considered an important environmental variable in eliminating public health worries since Vitamin D supplement tests during pregnancy continue to show negative effects on pregnancy. This review study showed the effects of UV radiation on pregnancy consequences in 7 studies, and exposure to UV radiation was found to be an explanatory variable. Few studies and little evidence exist in support of the effects of UV exposure on pregnancy. Therefore, it is suggested that further studies be conducted, so that their results can be used with a higher degree of certainty.

References

  • 1. Barker DJ. The fetal and infant origins of disease. Eur J Clin Invest. 1995;25:457–63. [PubMed: 7556362]
  • 2. Godfrey KM, Barker DJ. Fetal nutrition and adult disease. Am J Clin Nutr. 2000;71:1344S–52S. [PubMed: 10799412]
  • 3. Barker DJ. In utero programming of cardiovascular disease. Theriogenology. 2000;53:555–74. [PubMed: 10735050]
  • 4. Beltran AJ, Wu J, Laurent O. Associations of meteorology with adverse pregnancy outcomes: A systematic review of preeclampsia, preterm birth and birth weight. Int J Environ Res Public Health. 2013;11:91–172. [PMCID: PMC3924438] [PubMed: 24362545]
  • 5. Chodick G, Flash S, Deoitch Y, Shalev V. Seasonality in birth weight: Review of global patterns and potential causes. Hum Biol. 2009;81:463–77. [PubMed: 20067370]
  • 6. Weinberg CR, Shi M, DeRoo LA, Basso O, Skjærven R. Season and preterm birth in Norway: A cautionary tale. Int J Epidemiol. 2015;44:1068–78. [PMCID: PMC4542581] [PubMed: 26045507]
  • 7. Porojnicu AC, Lagunova Z, Robsahm TE, Berg JP, Dahlback A, Moan J, et al. Changes in risk of death from breast cancer with season and latitude: Sun exposure and breast cancer survival in Norway. Breast Cancer Res Treat. 2007;102:323–8. [PubMed: 17028983]
  • 8. Lucas R, McMichael T, Smith W, Armstrong BK, Prüss-Üstün A. Organization, W.H., Solar Ultraviolet Radiation: Global Burden of Disease from Solar Ultraviolet Radiation. (6) The Impact of Air pollutants, UV exposure and Geographic Location on Vitamin D deficiency. 2006. [accessed May 12 2018]. Available from: https://www.researchgate.net/publication/322789988_The_Impact_of_Air_pollutants_UV_exposure_and_Geographic_Location_on_Vitamin_D_deficiency .
  • 9. Cherrie MP, Wheeler BW, White MP, Sarran CE, Osborne NJ. Coastal climate is associated with elevated solar irradiance and higher 25(OH) D level. Environ Int. 2015;77:76–84. [PubMed: 25660687]
  • 10. Brøndum-Jacobsen P, Nordestgaard BG, Nielsen SF, Benn M. Skin cancer as a marker of sun exposure associates with myocardial infarction, hip fracture and death from any cause. Int J Epidemiol. 2013;42:1486–96. [PubMed: 24038635]
  • 11. Fares A. Winter cardiovascular diseases phenomenon. N Am J Med Sci. 2013;5:266–79. [PMCID: PMC3662093] [PubMed: 23724401]
  • 12. Fleck A. Latitude and ischaemic heart disease. Lancet. 1989;1:613.
  • 13. Wong A. Incident solar radiation and coronary heart disease mortality rates in Europe. Eur J Epidemiol. 2008;23:609–14. [PubMed: 18704704]
  • 14. Staples J, Ponsonby AL, Lim L. Low maternal exposure to ultraviolet radiation in pregnancy, month of birth, and risk of multiple sclerosis in offspring: Longitudinal analysis. BMJ. 2010;340:c1640. [PMCID: PMC2862149] [PubMed: 21030361]
  • 15. Palacios C, De-Regil LM, Lombardo LK, Peña-Rosas JP. Vitamin D supplementation during pregnancy: Updated meta-analysis on maternal outcomes. J Steroid Biochem Mol Biol. 2016;164:148–55. [PMCID: PMC5357731] [PubMed: 26877200]
  • 16. Wei SQ, Qi HP, Luo ZC, Fraser WD. Maternal Vitamin D status and adverse pregnancy outcomes: A systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2013;26:889–99. [PubMed: 23311886]
  • 17. Liu D, Fernandez BO, Hamilton A, Lang NN, Gallagher JMC, Newby DE, et al. UVA irradiation of human skin vasodilates arterial vasculature and lowers blood pressure independently of nitric oxide synthase. J Invest Dermatol. 2014;134:1839–46. [PubMed: 24445737]
  • 18. Geldenhuys S, Hart PH, Endersby R, Jacoby P, Feelisch M, Weller RB, et al. Ultraviolet radiation suppresses obesity and symptoms of metabolic syndrome independently of Vitamin D in mice fed a high-fat diet. Diabetes. 2014;63:3759–69. [PubMed: 25342734]
  • 19. Thayer ZM. The Vitamin D hypothesis revisited: Race-based disparities in birth outcomes in the United States and ultraviolet light availability. Am J Epidemiol. 2014;179:947–55. [PubMed: 24618066]
  • 20. Tustin K, Gross J, Hayne H. Maternal exposure to first-trimester sunshine is associated with increased birth weight in human infants. Dev Psychobiol. 2004;45:221–30. [PubMed: 15549686]
  • 21. Waldie KE, Poulton R, Kirk IJ, Silva PA. The effects of pre- and post-natal sunlight exposure on human growth: Evidence from the Southern Hemisphere. Early Hum Dev. 2000;60:35–42. [PubMed: 11054582]
  • 22. Elter K, Ay E, Uyar E, Kavak ZN. Exposure to low outdoor temperature in the midtrimester is associated with low birth weight. Aust N Z J Obstet Gynaecol. 2004;44:553–7. [PubMed: 15598296]
  • 23. Pereira G, Cook A, Haggar F, Bower C, Nassar N. Seasonal variation in fetal growth: Accounting for sociodemographic, biological, and environmental exposures. Am J Obstet Gynecol. 2012;206:74.e1–7. [PubMed: 21982022]
  • 24. Algert CS, Roberts CL, Shand AW, Morris JM, Ford JB. Seasonal variation in pregnancy hypertension is correlated with sunlight intensity. Am J Obstet Gynecol. 2010;203:215.e1–5. [PubMed: 20537304]
  • 25. Tran TC, Boumendil A, Bussieres L, Lebreton E, Ropers J, Rozenberg P, et al. Are meteorological conditions within the first trimester of pregnancy associated with the risk of severe pre-eclampsia? Paediatr Perinat Epidemiol. 2015;29:261–70. [PubMed: 26053449]
  • 26. Pérez-López FR, Pasupuleti V, Mezones-Holguin E, Benites-Zapata VA, Thota P, Deshpande A, et al. Effect of Vitamin D supplementation during pregnancy on maternal and neonatal outcomes: A systematic review and meta-analysis of randomized controlled trials. Fertil Steril. 2015;103:1278–88.e4. [PubMed: 25813278]
  • 27. Hart PH, Gorman S, Finlay-Jones JJ. Modulation of the immune system by UV radiation: More than just the effects of Vitamin D? Nat Rev Immunol. 2011;11:584–96. [PubMed: 21852793]
  • 28. Law MR, Morris JK. Why is mortality higher in poorer areas and in more Northern areas of England and wales? J Epidemiol Community Health. 1998;52:344–52. [PMCID: PMC1756726] [PubMed: 9764254]
  • 29. Xu B, Liu H, Su N, Kong G, Bao X, Li J, et al. Association between winter season and risk of death from cardiovascular diseases: A study in more than half a million inpatients in Beijing, China. BMC Cardiovasc Disord. 2013;13:93. [PMCID: PMC3840603] [PubMed: 24172216]
  • 30. Gongora MC, Wenger NK. Cardiovascular complications of pregnancy. Int J Mol Sci. 2015;16:23905–28. [PMCID: PMC4632731] [PubMed: 26473833]
  • 31. Leiva A, Fuenzalida B, Barros E, Sobrevia B, Salsoso R, Sáez T, et al. Nitric oxide is a central common metabolite in vascular dysfunction associated with diseases of human pregnancy. Curr Vasc Pharmacol. 2016;14:237–59. [PubMed: 26899560]
  • 32. Sladek SM, Magness RR, Conrad KP. Nitric oxide and pregnancy. Am J Physiol. 1997;272:R441–63. [PubMed: 9124465]
  • 33. Chan E, Leong P, Malouf R, Quigley MA. Long-term cognitive and school outcomes of late-preterm and early-term births: A systematic review. Child Care Health Dev. 2016;42:297–312. [PubMed: 26860873]
  • 34. Johal T, Lees CC, Everett TR, Wilkinson IB. The nitric oxide pathway and possible therapeutic options in pre-eclampsia. Br J Clin Pharmacol. 2014;78:244–57. [PMCID: PMC4137818] [PubMed: 24313856]

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