Journal
FRONTIERS IN NUTRITION
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2022.876620
Keywords
mediterranean diet; low-carbohydrate diet; polycystic ovary syndrome; overweight mediterranean diet; overweight
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The results of this study suggest that the MED/LC diet model is an effective treatment for overweight PCOS patients. It significantly restores their menstrual cycle, improves their anthropometric parameters, corrects their disturbed endocrine levels, and has better overall effectiveness compared to the LF diet model. Therefore, the MED/LC diet model is recommended for clinical treatment of overweight PCOS patients.
ObjectivesTo determine the therapeutic effect of a Mediterranean diet (MED) combined with a low-carbohydrate (LC) dietary model in overweight polycystic ovary syndrome (PCOS) patients. MethodsIn this 12-week randomized controlled clinical trial, 72 overweight patients with PCOS were randomly assigned to one of two energy-restricted dietary models: the MED/LC diet or the Low fat (LF) diet. After the intervention, the number of the two groups returned to normal menstruation was counted. Body weight, body mass index (BMI), waist circumference, waist-hip ratio (WHR), body fat percentage (BF%), serum fasting insulin(FINS), fasting plasma glucose(FPG), insulin resistance index (HOMA-IR), quantitative insulin sensitivity index (QUIKI), total cholesterol (TC) and high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), triglyceride (TG), total testosterone (TT), luteinizing hormone (LH), follicle-stimulating hormone (FSH), and prolactin (PRL) were compared between 2 groups before and after intervention. ResultsMED/LC group had more significant reduction trend in weight (-6.10 +/- 1.52 kg vs -4.79 +/- 0.97 kg, P < 0.05), BMI (-2.12 +/- 0.57 kg/m(2) vs -1.78 +/- 0.36 kg/m(2), P < 0.05), WC (-6.12 +/- 5.95 cm vs -3.90 +/- 1.58 cm, P < 0.05), WHR (-0.06 +/- 0.02 vs -0.03 +/- 0.02, P < 0.05), BF% (-2.97% +/- 1.78% vs -1.19% +/- 0.91%, P < 0.05), TT (-0.20 +/- 0.24 ng/mL vs 0.08 +/- 0.11 ng/Ml, P < 0.001), LH (-5.28 +/- 3.31 mIU/mL vs -3.39 +/- 3.64 mIU/mL, P < 0.05), and LH/FSH (-1.18 +/- 0.75 vs -0.66 +/- 1.05, P < 0.05) compared with the LF group. In addition, FPG (0.05 +/- 0.38 mmol/mL vs -0.50 +/- 1.01 mmol/mL, P < 0.001), FINS (-4.88 +/- 6.11 mu U/mL vs -8.53 +/- 5.61 mu U/mL, P < 0.01), HOMA-IR index (-1.11 +/- 1.51 vs -2.23 +/- 0.25, P < 0.05), and QUIKI index (0.014 +/- 0.016 vs 0.028 +/- 0.019, P < 0.05) decreased significantly in the MED/LC group compared with the LF group. Comparing the changes in lipid parameters between the two groups (LF vs MED/LC), significant differences in TG (-0.33 +/- 0.32 mmol vs -0.76 +/- 0.97 mmol, P < 0.05), TC (-0.40 +/- 1.00 mmol vs -1.45 +/- 2.00 mmol, P < 0.05), and LDL-C (-0.41 +/- 1.05 mmol vs -0.73 +/- 0.76 mmol, P < 0.05) were observed. ConclusionThe results of this study suggest that the MED/LC diet model is a good treatment for overweight PCOS patients, significantly restoring their menstrual cycle, improving their anthropometric parameters and correcting their disturbed endocrine levels, and its overall effectiveness is significantly better than the LF diet model. Therefore, this study recommends that the MED/LC diet model can be used in the clinical treatment of patients with overweight PCOS.
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