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Zinc Supplementation and the Effects on Pregnancy Outcomes in Gestational Diabetes: a Randomized, Double-blind, Placebo-controlled Trial. 2016

M Karamali, and Z Heidarzadeh, and S-M Seifati, and M Samimi, and Z Tabassi, and N Talaee, and H Bahardoost, and Z Asemi
Department of Gynecology and Obstetrics, School of Medicine, Iran University of Medical Sciences, Tehran, I.R. Iran.

OBJECTIVE The current study was designed to determine the beneficial effects of zinc intake on biomarkers of inflammation, oxidative stress, and pregnancy outcomes among pregnant women with gestational diabetes (GDM). METHODS This randomized, double-blind, placebo-controlled clinical trial was conducted among 50 women with GDM. Patients were randomly allocated to intake either 233 mg zinc gluconate (containing 30 mg zinc) (n=25) or a placebo (n=25) for 6 weeks. Fasting blood samples were taken at the fist of the study and after 6 weeks of intervention to quantify related variables. Newborn's weight, height, head circumference, Apgar score, and hyperbilirubinemia were determined. RESULTS The change in serum zinc levels after 6 weeks of supplementation was greater in women consuming zinc than in the placebo group (+8.5±13.5 vs. -3.6±16.2 mg/dL, P=0.006). Changes in serum high sensitivity C-reactive protein (hs-CRP) (-110.1±1 475.5 vs. +1 137.8±2 429.2 ng/mL, P=0.03) and plasma total antioxidant capacity (TAC) concentrations (+60.0±129.0 vs. -28.4±81.4 mmol/L, P=0.006) were significantly different between the supplemented women and placebo group. We did not find any significant effect of zinc administration on pregnancy outcomes. CONCLUSIONS Taken together, zinc administration among patients with GDM was associated with decreased hs-CRP and increased TAC concentrations; however, it did not influence maternal plasma nitric oxide (NO), glutathione (GSH), malondialdehyde (MDA) levels, or pregnancy outcomes.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011256 Pregnancy Outcome Results of conception and ensuing pregnancy, including LIVE BIRTH; STILLBIRTH; or SPONTANEOUS ABORTION. The outcome may follow natural or artificial insemination or any of the various ASSISTED REPRODUCTIVE TECHNIQUES, such as EMBRYO TRANSFER or FERTILIZATION IN VITRO. Outcome, Pregnancy,Outcomes, Pregnancy,Pregnancy Outcomes
D002097 C-Reactive Protein A plasma protein that circulates in increased amounts during inflammation and after tissue damage. C-Reactive Protein measured by more sensitive methods often for coronary heart disease risk assessment is referred to as High Sensitivity C-Reactive Protein (hs-CRP). High Sensitivity C-Reactive Protein,hs-CRP,hsCRP,C Reactive Protein,High Sensitivity C Reactive Protein
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005260 Female Females
D005942 Gluconates Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters. Copper Gluconate,Gluconate, Copper
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D015032 Zinc A metallic element of atomic number 30 and atomic weight 65.38. It is a necessary trace element in the diet, forming an essential part of many enzymes, and playing an important role in protein synthesis and in cell division. Zinc deficiency is associated with ANEMIA, short stature, HYPOGONADISM, impaired WOUND HEALING, and geophagia. It is known by the symbol Zn.
D016640 Diabetes, Gestational Diabetes mellitus induced by PREGNANCY but resolved at the end of pregnancy. It does not include previously diagnosed diabetics who become pregnant (PREGNANCY IN DIABETICS). Gestational diabetes usually develops in late pregnancy when insulin antagonistic hormones peaks leading to INSULIN RESISTANCE; GLUCOSE INTOLERANCE; and HYPERGLYCEMIA. Diabetes Mellitus, Gestational,Diabetes, Pregnancy-Induced,Gestational Diabetes,Diabetes, Pregnancy Induced,Gestational Diabetes Mellitus,Pregnancy-Induced Diabetes

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