The Association Among Maternal Index of Nutritional Quality, Dietary Antioxidant Index, and Odds of Miscarriage Incidence : Case-Control Study
OBJECTIVE: Miscarriage is a pregnancy condition in which the fetus or embryo naturally dies before being able to survive independently. According to studies, diet and dietary factors are associated with the risk of miscarriage (pregnancies <20 weeks). A 168-item semi-quantitative feed frequency questionnaire was used to estimate the Dietary Antioxidant Index (DAI) and the Index of Nutritional Quality (INQ). We aimed to assess the relationship between INQ and DAI with odds of miscarriage.
METHOD: In summary, 135 Iranian women with a history of three or more miscarriages were included. We calculated the INQ using the following formula: INQ = consumed amount of a nutrient per 1,000 kcal/Recommended Dietary Allowance of that nutrient per 1,000 kcal. We standardized each dietary vitamins/minerals by subtracting the global mean and dividing the result by the universal standard deviation to compute DAI. We computed the DAI by summing up the standardized intakes of these vitamins and minerals and equal weight.
RESULTS: Regression models were used to extract the odds ratios (ORs) and 95% confidence intervals (CIs) in crude and multivariate adjustments. Controls significantly had higher INQ of vitamin B12, niacin, vitamin D, vitamin E, vitamin C, and zinc. Modeling INQs of vitamin D (OR: 0.004, 95% CI, 0.00-0.025) and B12 (OR: 0.04, 95% CI, 0.005-0.41) as a continuous variable showed a significant and protective effect in multivariate adjustment. Modeling DAI as a categorical variable showed a significant protective effect (ORDAI<0.054vs.DAI ≥0.054 = 0.43, 95% CI, 0.20-0.91).
CONCLUSIONS: Recommending a diet rich in antioxidants such as vitamin E, C, zinc, and selenium and a quality diet containing vitamins B12 and D can be considered an effective strategy to reduce the odds of miscarriage in women with a history of recurrent miscarriage.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Journal of the American Nutrition Association - 41(2022), 3 vom: 17. März, Seite 310-317 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Vahid, Farhad [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.05.2022 Date Revised 21.12.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/07315724.2021.1880987 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Vahid, Farhad |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The Association Among Maternal Index of Nutritional Quality, Dietary Antioxidant Index, and Odds of Miscarriage Incidence |b Case-Control Study |
| 264 | 1 | |c 2022 | |
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| 500 | |a Date Revised 21.12.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: Miscarriage is a pregnancy condition in which the fetus or embryo naturally dies before being able to survive independently. According to studies, diet and dietary factors are associated with the risk of miscarriage (pregnancies <20 weeks). A 168-item semi-quantitative feed frequency questionnaire was used to estimate the Dietary Antioxidant Index (DAI) and the Index of Nutritional Quality (INQ). We aimed to assess the relationship between INQ and DAI with odds of miscarriage | ||
| 520 | |a METHOD: In summary, 135 Iranian women with a history of three or more miscarriages were included. We calculated the INQ using the following formula: INQ = consumed amount of a nutrient per 1,000 kcal/Recommended Dietary Allowance of that nutrient per 1,000 kcal. We standardized each dietary vitamins/minerals by subtracting the global mean and dividing the result by the universal standard deviation to compute DAI. We computed the DAI by summing up the standardized intakes of these vitamins and minerals and equal weight | ||
| 520 | |a RESULTS: Regression models were used to extract the odds ratios (ORs) and 95% confidence intervals (CIs) in crude and multivariate adjustments. Controls significantly had higher INQ of vitamin B12, niacin, vitamin D, vitamin E, vitamin C, and zinc. Modeling INQs of vitamin D (OR: 0.004, 95% CI, 0.00-0.025) and B12 (OR: 0.04, 95% CI, 0.005-0.41) as a continuous variable showed a significant and protective effect in multivariate adjustment. Modeling DAI as a categorical variable showed a significant protective effect (ORDAI<0.054vs.DAI ≥0.054 = 0.43, 95% CI, 0.20-0.91) | ||
| 520 | |a CONCLUSIONS: Recommending a diet rich in antioxidants such as vitamin E, C, zinc, and selenium and a quality diet containing vitamins B12 and D can be considered an effective strategy to reduce the odds of miscarriage in women with a history of recurrent miscarriage | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Miscarriage | |
| 650 | 4 | |a abortion | |
| 650 | 4 | |a antioxidants | |
| 650 | 4 | |a diet quality | |
| 650 | 4 | |a dietary antioxidant index (DAI) | |
| 650 | 4 | |a index of nutritional quality (INQ) | |
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| 700 | 1 | |a Rahmani, Diana |e verfasserin |4 aut | |
| 700 | 1 | |a Davoodi, Sayed Hossein |e verfasserin |4 aut | |
| 700 | 1 | |a Hekmatdoost, Azita |e verfasserin |4 aut | |
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