{"id":8944,"date":"2025-06-25T15:30:00","date_gmt":"2025-06-25T15:30:00","guid":{"rendered":"https:\/\/www.aqtn.ca\/questions\/?p=8944"},"modified":"2025-06-23T19:37:48","modified_gmt":"2025-06-23T19:37:48","slug":"vitamin-d-and-e-among-pregnant-women","status":"publish","type":"post","link":"https:\/\/aqtn.ca\/questions\/association-quebec-aqtn-other-posts\/vitamin-d-and-e-among-pregnant-women\/","title":{"rendered":"Vitamines D et E pour les femmes enceintes &#8211; Vitamin D and E among pregnant women"},"content":{"rendered":"<p><a href=\"#envd\"><strong>ENGLISH BELOW<\/strong><\/a><\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">INTRODUCTION : Vitamine D chez les femmes enceintes<\/h2>\n<p style=\"text-align: justify;\">Cette revue examine si la suppl\u00e9mentation en vitamine D pendant la grossesse, seule ou combin\u00e9e \u00e0 d&#8217;autres nutriments (comme le calcium), a un effet sur la sant\u00e9 maternelle et n\u00e9onatale. Les principaux r\u00e9sultats \u00e9tudi\u00e9s comprennent la pr\u00e9\u00e9clampsie, le diab\u00e8te gestationnel, la naissance pr\u00e9matur\u00e9e, le faible poids \u00e0 la naissance et l\u2019h\u00e9morragie postpartum. La revue \u00e9value des essais randomis\u00e9s et quasi-randomis\u00e9s comparant la suppl\u00e9mentation \u00e0 un placebo ou \u00e0 l&#8217;absence de traitement.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">La suppl\u00e9mentation des femmes enceintes en vitamine D seule r\u00e9duit probablement le risque de pr\u00e9\u00e9clampsie, de diab\u00e8te gestationnel, de faible poids \u00e0 la naissance et pourrait \u00e9galement r\u00e9duire le risque d\u2019h\u00e9morragie post-partum s\u00e9v\u00e8re. Elle pourrait avoir peu ou pas d\u2019effet sur le risque d\u2019accouchement pr\u00e9matur\u00e9 avant 37 semaines de gestation. La suppl\u00e9mentation en vitamine D combin\u00e9e au calcium r\u00e9duit probablement le risque de pr\u00e9\u00e9clampsie, mais pourrait augmenter le risque d\u2019accouchement pr\u00e9matur\u00e9 avant 37 semaines (ces r\u00e9sultats justifient des recherches suppl\u00e9mentaires).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Il existe deux formes physiologiquement actives de la vitamine D, appel\u00e9es collectivement calcif\u00e9rol : la D2 et la D3. La vitamine D2 (\u00e9galement appel\u00e9e ergocalcif\u00e9rol) est synth\u00e9tis\u00e9e par les plantes, tandis que la vitamine D3 (\u00e9galement appel\u00e9e chol\u00e9calcif\u00e9rol) est produite sous la peau chez l\u2019humain \u00e0 partir du 7-d\u00e9hydrocholest\u00e9rol, suite \u00e0 une exposition aux rayons ultraviolets B (UVB).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">La vitamine D dans les suppl\u00e9ments se pr\u00e9sente sous forme de vitamine D2 ou D3. Cette derni\u00e8re pourrait \u00eatre trois fois plus efficace que la vitamine D2 pour augmenter les concentrations s\u00e9riques de vitamine D et maintenir ces niveaux plus longtemps, particuli\u00e8rement durant les mois d\u2019hiver. De plus, ses m\u00e9tabolites pr\u00e9sentent une meilleure affinit\u00e9 pour les prot\u00e9ines liant la vitamine D dans le plasma (Armas 2004; Logan 2013; McCullough 2007). \u00c9tant donn\u00e9 que la vitamine D a une courte demi-vie, un apport ad\u00e9quat est n\u00e9cessaire pour assurer un niveau sanguin soutenu. Une hypercalc\u00e9mie (taux de calcium sanguin \u2265 10,5 mg\/dL) et une hypercalciurie (excr\u00e9tion urinaire de calcium &gt; 250 mg\/jour chez les femmes) peuvent survenir, conditions associ\u00e9es \u00e0 la formation de calculs r\u00e9naux et urinaires.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">La toxicit\u00e9 chez les adultes survient g\u00e9n\u00e9ralement \u00e0 des doses de vitamine D sup\u00e9rieures \u00e0 10\u202f000 unit\u00e9s internationales (UI)\/jour (soit 250\u202fmcg\/jour), bien que la majorit\u00e9 des donn\u00e9es proviennent d\u2019expositions \u00e0 court terme (moins de six mois) (Hathcock 2007\u202f; Heaney 2008\u202f; IOM 2011\u202f; Vieth 1999).<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">R\u00c9SUM\u00c9 DES R\u00c9SULTATS<\/h2>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul style=\"text-align: justify; font: 14px\/20px arial !important;\">\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Pr\u00e9\u00e9clampsie, diab\u00e8te gestationnel, naissance pr\u00e9matur\u00e9e, syndrome n\u00e9phrotique <\/strong>: Les donn\u00e9es probantes sont tr\u00e8s incertaines ou de faible qualit\u00e9; les r\u00e9sultats des essais sont incoh\u00e9rents ou impr\u00e9cis.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Faible poids \u00e0 la naissance (&lt;2 500 g)<\/strong> : La suppl\u00e9mentation en vitamine D seule pourrait r\u00e9duire ce risque, mais la certitude des donn\u00e9es reste faible.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>H\u00e9morragie postpartum s\u00e9v\u00e8re<\/strong> : Un essai a sugg\u00e9r\u00e9 une possible r\u00e9duction du risque (RR ~0,68), mais les donn\u00e9es sont tr\u00e8s limit\u00e9es et de faible qualit\u00e9.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Vitamine D + calcium<\/strong> : Impact incertain sur la naissance pr\u00e9matur\u00e9e et le faible poids \u00e0 la naissance; les donn\u00e9es disponibles sont tr\u00e8s limit\u00e9es.<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">CONCLUSION<\/h2>\n<p>Les suppl\u00e9ments administr\u00e9s en dose unique contenant 7,5 mg (300 000 UI) ou plus pourraient \u00e9galement \u00eatre nocifs (Roth 2011a). Il existe encore une controverse concernant les taux de 25-hydroxyvitamine D consid\u00e9r\u00e9s comme ad\u00e9quats ou optimaux pour la sant\u00e9 globale. L\u2019Institute of Medicine des \u00c9tats-Unis a \u00e9tabli que des concentrations sup\u00e9rieures \u00e0 50 nmol\/L (ou 20 ng\/mL) sont ad\u00e9quates, selon les donn\u00e9es actuellement disponibles (IOM 2011). Toutefois, plusieurs chercheurs estiment que les niveaux optimaux devraient \u00eatre plus \u00e9lev\u00e9s, soit plus de 75 nmol\/L (ou 30 ng\/mL) (Dawson-Hughes 2005\u202f; Hollick 2009).<\/p>\n<p style=\"text-align: justify;\">Les donn\u00e9es de haute qualit\u00e9 sont insuffisantes pour appuyer ou rejeter l\u2019utilisation de la vitamine D en d\u00e9but de grossesse pour pr\u00e9venir des complications comme la pr\u00e9\u00e9clampsie, le diab\u00e8te gestationnel, la naissance pr\u00e9matur\u00e9e ou le syndrome n\u00e9phrotique. Certains r\u00e9sultats, comme la r\u00e9duction du faible poids \u00e0 la naissance et des h\u00e9morragies postpartum, semblent prometteurs, mais les donn\u00e9es sont incoh\u00e9rentes et impr\u00e9cises.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">PENS\u00c9ES FINALES<\/h2>\n<p style=\"text-align: justify;\">Bien que la suppl\u00e9mentation en vitamine D pendant la grossesse soit biologiquement plausible et semble s\u00e9curitaire, les donn\u00e9es actuelles ne permettent pas de formuler des recommandations d\u00e9finitives. Des essais plus vastes et mieux con\u00e7us sont n\u00e9cessaires pour d\u00e9terminer si la suppl\u00e9mentation \u2014 seule ou en combinaison avec du calcium \u2014 peut r\u00e9ellement am\u00e9liorer la sant\u00e9 maternelle et infantile.<\/p>\n<p><strong>Note: <\/strong>Chez les femmes enceintes, quels sont les effets de la suppl\u00e9mentation en vitamine D\u202f?<\/p>\n<p><strong>Reference Article :<\/strong><br \/>\n<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full<\/a><\/p>\n<\/div><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><a name=\"envd\"><\/a><br \/>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">INTRODUCTION : Vitamin D among pregnant women<\/h2>\n<p style=\"text-align: justify;\">This review examines whether supplementing with vitamin D during pregnancy, either alone or combined with other nutrients (e.g., calcium), affects maternal and neonatal outcomes. Key outcomes include pre-eclampsia, gestational diabetes, preterm birth, low birth weight, and postpartum hemorrhage. The review assessed randomized and quasi-randomized trials comparing supplementation to placebo or no treatment.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Supplementing pregnant women with vitamin D alone probably reduces the risk of pre\u2010eclampsia, gestational diabetes, low birthweight and may reduce the risk of severe postpartum hemorrhage. It may make little or no difference in the risk of having a preterm birth &lt; 37 weeks&#8217; gestation. Supplementing pregnant women with vitamin D and calcium probably reduces the risk of pre\u2010eclampsia but may increase the risk of preterm births &lt; 37 weeks (these findings warrant further research).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">There are two physiologically active forms of vitamin D collectively called calciferol: D<sup>2<\/sup> and D<sup>3<\/sup>. Vitamin D<sup>2<\/sup> (also called ergocalciferol) is synthesized by plants while vitamin D<sup>3<\/sup> (also called cholecalciferol) is subcutaneously produced in humans from 7\u2010dehydrocholecalciferol upon exposure to ultraviolet light B (UVB) radiation).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Vitamin D in supplements is found as either vitamin D<sup>2<\/sup> or D<sup>3<\/sup>. The latter may be three times more effective than vitamin D<sup>2<\/sup> in raising serum concentrations of vitamin D and maintaining those levels for a longer time particularly during the winter months; also, its metabolites have superior affinity for vitamin D\u2010binding proteins in plasma (<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0103\" target=\"_blank\" rel=\"noopener\">Armas 2004<\/a>; <a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0173\" target=\"_blank\" rel=\"noopener\">Logan 2013<\/a>; <a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0181\" target=\"_blank\" rel=\"noopener\">McCullough 2007<\/a>). As vitamin D has a short half\u2010life, adequate vitamin D intake is necessary in order to ensure sustained circulating levels. Hypercalcaemia (calcium levels are 10.5 mg\/dL or higher) and hypercalciuria (urinary excretion of calcium exceeds 250 mg\/day in women), which is associated with renal and kidney stones.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Toxicity in adults usually appear at doses of vitamin D higher than 10,000 international units (IU)\/day (250 mcg\/day), although most of the evidence is based on short\u2010term exposures (less than six months) (<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0148\" target=\"_blank\" rel=\"noopener\">Hathcock 2007<\/a>; <a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0150\" target=\"_blank\" rel=\"noopener\">Heaney 2008<\/a>; <a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0163\" target=\"_blank\" rel=\"noopener\">IOM 2011<\/a>; <a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/references#CD008873-bbs2-0222\" target=\"_blank\" rel=\"noopener\">Vieth 1999<\/a>).<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">SUMMARY OF FINDINGS<\/h2>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul style=\"text-align: justify; font: 14px\/20px arial !important;\">\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Pre\u2011eclampsia, gestational diabetes, preterm birth, nephritic syndrome<\/strong> : Very uncertain or low-certainty evidence; trials offered inconsistent or imprecise results.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Low birth weight (&lt;2\u202f500\u202fg)<\/strong> : Supplementation with vitamin D alone may reduce the risk, but evidence certainty remains low.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Severe postpartum hemorrhage<\/strong> : One trial suggested a possible reduction (RR ~0.68), but evidence is very limited and of low certainty<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Vitamin D + calcium<\/strong> : Uncertain impact on preterm birth and low birth weight; again, evidence is very limited<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">CONCLUSION<\/h2>\n<p style=\"text-align: justify;\">There is insufficient high-quality evidence to support or refute vitamin D supplementation in early pregnancy for preventing complications like pre-eclampsia, gestational diabetes, preterm birth, or nephritic syndrome. Some maternal and neonatal outcomes may be improved, such as reduced low birth weight and postpartum hemorrhage, but the data are inconsistent and imprecise.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">FINAL THOUGHTS<\/h2>\n<p style=\"text-align: justify;\">While vitamin D supplementation during pregnancy is biologically plausible and appears safe, current evidence does not allow for definitive recommendations. Larger, well-designed trials are needed to clarify whether supplementation\u2014alone or paired with calcium\u2014can meaningfully improve maternal and infant health outcomes.<\/p>\n<p><strong>Note: <\/strong>Among pregnant women, what are the effects of vitamin D supplementation?<\/p>\n<p><strong>Reference Article :<\/strong><br \/>\n<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full<\/a><\/p>\n<\/div><\/div>\n<\/div>\n<p>==============================================================================================================<\/p>\n<p><a href=\"#enve\"><strong>ENGLISH BELOW<\/strong><\/a><\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">INTRODUCTION : Vitamine E pendant la grossesse<\/h2>\n<p style=\"text-align: justify;\">Cette revue examine si la suppl\u00e9mentation en vitamine E pendant la grossesse, seule ou combin\u00e9e \u00e0 d\u2019autres nutriments (comme la vitamine C ou d&#8217;autres agents), peut am\u00e9liorer les r\u00e9sultats pour la m\u00e8re et le b\u00e9b\u00e9. Elle cherche notamment \u00e0 savoir si cela r\u00e9duit les risques de pr\u00e9\u00e9clampsie, de naissance pr\u00e9matur\u00e9e, de faible poids \u00e0 la naissance, de mortinaissance et de d\u00e9c\u00e8s n\u00e9onatal, ou si cela pourrait causer des effets ind\u00e9sirables. L\u2019analyse repose sur 21 essais impliquant plus de 22\u202f000 femmes.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Les donn\u00e9es ne soutiennent pas l\u2019utilisation syst\u00e9matique de la vitamine E en combinaison avec d\u2019autres suppl\u00e9ments pour pr\u00e9venir la mortinaissance, le d\u00e9c\u00e8s n\u00e9onatal, la naissance pr\u00e9matur\u00e9e, la pr\u00e9\u00e9clampsie, la rupture pr\u00e9matur\u00e9e des membranes (avant terme ou \u00e0 terme) ou le retard de croissance f\u0153tale. Des recherches suppl\u00e9mentaires sont n\u00e9cessaires pour clarifier le r\u00f4le possible de la vitamine E dans la pr\u00e9vention du d\u00e9collement placentaire. Aucune preuve convaincante ne d\u00e9montre que la suppl\u00e9mentation en vitamine E combin\u00e9e \u00e0 d\u2019autres agents entra\u00eene d\u2019autres bienfaits ou effets nuisibles importants.<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">R\u00c9SUM\u00c9 DES R\u00c9SULTATS<\/h2>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul style=\"text-align: justify; font: 14px\/20px arial !important;\">\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>R\u00e9sultats globaux (mortinaissance, d\u00e9c\u00e8s n\u00e9onatal, pr\u00e9\u00e9clampsie, naissance pr\u00e9matur\u00e9e, retard de croissance intra-ut\u00e9rin)<\/strong> : Aucune am\u00e9lioration significative observ\u00e9e avec la suppl\u00e9mentation en vitamine E (souvent combin\u00e9e \u00e0 d&#8217;autres agents), comparativement au placebo; donn\u00e9es de certitude mod\u00e9r\u00e9e \u00e0 \u00e9lev\u00e9e.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>D\u00e9collement placentaire<\/strong> : La suppl\u00e9mentation \u00e9tait associ\u00e9e \u00e0 une r\u00e9duction du risque, selon des donn\u00e9es de haute qualit\u00e9; cependant, il n\u2019est pas clair si cet effet est attribuable \u00e0 la vitamine E elle-m\u00eame ou aux autres suppl\u00e9ments.<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Effets ind\u00e9sirables<\/strong> : Une augmentation du risque de douleurs abdominales et de rupture pr\u00e9matur\u00e9e des membranes \u00e0 terme (RPM \u00e0 terme) a \u00e9t\u00e9 observ\u00e9e chez les femmes ayant re\u00e7u de la vitamine E avec d&#8217;autres agents. Aucun effet sur la RPM pr\u00e9matur\u00e9e (avant terme) n\u2019a \u00e9t\u00e9 constat\u00e9.<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">CONCLUSION<\/h2>\n<p style=\"text-align: justify;\">Les donn\u00e9es ne soutiennent pas l&#8217;utilisation syst\u00e9matique de la vitamine E pendant la grossesse, qu\u2019elle soit administr\u00e9e seule ou avec d\u2019autres agents, pour pr\u00e9venir la mortinaissance, le d\u00e9c\u00e8s n\u00e9onatal, la pr\u00e9\u00e9clampsie, la naissance pr\u00e9matur\u00e9e ou le retard de croissance f\u0153tale. La possible r\u00e9duction du risque de d\u00e9collement placentaire est int\u00e9ressante, mais le lien de causalit\u00e9 reste incertain. Les risques potentiels \u2014 comme les douleurs abdominales et la RPM \u00e0 terme \u2014 invitent \u00e0 la prudence.<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">PENS\u00c9ES FINALES<\/h2>\n<p style=\"text-align: justify;\">\u00c9tant donn\u00e9 l\u2019absence de b\u00e9n\u00e9fices clairs sur les principaux r\u00e9sultats li\u00e9s \u00e0 la grossesse et la pr\u00e9sence de certains effets ind\u00e9sirables, la vitamine E ne devrait pas \u00eatre recommand\u00e9e de mani\u00e8re syst\u00e9matique chez les femmes enceintes. Des recherches futures pourraient explorer si la vitamine E seule \u2014 sans autres suppl\u00e9ments \u2014 joue un r\u00f4le dans la pr\u00e9vention du d\u00e9collement placentaire. D\u2019ici l\u00e0, son usage en clinique doit demeurer prudent et fond\u00e9 sur les preuves disponibles. <strong>Note: <\/strong>Suppl\u00e9mentation en vitamine E pendant la grossesse.<\/p>\n<p><strong>Reference Article :<\/strong><br \/>\n<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full<\/a><br \/>\n<\/div><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><a name=\"enve\"><\/a><br \/>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">INTRODUCTION : Vitamin E supplementation in pregnancy<\/h2>\n<p style=\"text-align: justify;\">This review examines whether vitamin\u202fE supplementation during pregnancy, either alone or in combination with other nutrients (like vitamin\u202fC or additional agents), can improve maternal and neonatal outcomes. Key questions include whether it reduces risks of pre-eclampsia, preterm birth, low birth weight, stillbirth, and neonatal death, or whether it may cause harm. The analysis draws on 21 trials involving over 22,000 women.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">The data do not support routine vitamin E supplementation in combination with other supplements for the prevention of stillbirth, neonatal death, preterm birth, pre\u2010eclampsia, preterm or term PROM or poor fetal growth. Further research is required to elucidate the possible role of vitamin E in the prevention of placental abruption. There was no convincing evidence that vitamin E supplementation in combination with other supplements results in other important benefits or harms.<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">SUMMARY OF FINDINGS<\/h2>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul style=\"text-align: justify; font: 14px\/20px arial !important;\">\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Overall outcomes (stillbirth, neonatal death, pre-eclampsia, preterm birth, intrauterine growth restriction)<\/strong>: No significant benefit of vitamin\u202fE supplementation with other agents compared to placebo; moderate- to high-certainty evidence .<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Placental abruption<\/strong> : Supplementation was associated with a reduced risk, based on high-quality evidence; however, it&#8217;s unclear if this effect is due to vitamin\u202fE or the additional agents<\/li>\n<li><i class=\"sui sui-chevron-circle-right\" style=\"color:#550000\"><\/i> <strong>Adverse effects<\/strong> : There was an increased risk of abdominal pain and term prelabour rupture of membranes (PROM) among women receiving vitamin\u202fE with other supplements. No increase was seen in preterm PROM<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">CONCLUSION<\/h2>\n<p style=\"text-align: justify;\">The evidence does not support routine vitamin\u202fE supplementation during pregnancy, whether alone or combined with other agents, for improving outcomes such as stillbirth, neonatal death, pre\u2011eclampsia, preterm birth, or fetal growth restriction. The potential reduction in placental abruption is of interest, but causality remains unclear. Risks\u2014like abdominal pain and term PROM\u2014highlight the need for caution.<\/p>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h2 style=\"background: #550000; color: #fff; padding: 5px;\">FINAL THOUGHTS<\/h2>\n<p style=\"text-align: justify;\">Given the lack of clear benefits for primary pregnancy outcomes and the potential for harm, vitamin\u202fE should not be routinely recommended for pregnant women. Future research might investigate whether vitamin\u202fE alone\u2014without other supplements\u2014plays any role in preventing placental abruption. Until more definitive evidence emerges, clinical use should be guided by caution.<\/p>\n<p><strong>Reference Article :<\/strong><br \/>\n<a href=\"https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cochranelibrary.com\/cdsr\/doi\/10.1002\/14651858.CD008873.pub4\/full<\/a><br \/>\n<\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ENGLISH BELOW &nbsp; &nbsp; ============================================================================================================== ENGLISH BELOW &nbsp; &nbsp; &nbsp; &nbsp;<\/p>\n","protected":false},"author":36,"featured_media":29436,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-8944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-association-quebec-aqtn-other-posts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vitamines D et E pour les femmes enceintes &#8211; 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