• Journal of radiological science and technology
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• v.40 no.1
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• pp.35-40
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• 2017

The purpose of this study was to investigate the relationship between abdominal subcutaneous fat thickness(ASFT) and maternal gestational diabetes mellitus(GDM) measured by ultrasound at period of pregnancy. We compared maternal age, pre-pregnancy body mass index, and weight gain during pregnancy in 286 pregnant women who were diagnosed with early pregnancy ASFT and high GDM screening test(50 g OGTT) of more than 140 mg/dL. ROC curve analysis was used to determine the cut-off value of ASFT for GDM prediction. Maternal age and weight gain during pregnancy were not related to GDM in the mid-trimester and pre-pregnancy body mass index and earely pregnancy ASFT were significantly different between normal and GDM high risk groups. The cut-off value of ASFT for GDM prediction was 2.23 cm(AUC 0.913. Sensitivity 76.19%, Specificity 93.72%). ASFT measured by ultrasound in early pregnancy was useful as an important index for predicting mid-trimester GDM prediction. Therefore, ASFT can be used as an auxiliary diagnostic index for early recognition of GDM.

• Journal of Nutrition and Health
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• v.41 no.8
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• pp.776-785
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• 2008

Maternal stress was one of the common symptoms that pregnant women could have experienced during pregnant period. The purpose of this study was to investigate the relation of maternal stress with maternal nutrients intake and pregnancy outcome. Subjects were 248 pregnant women and were recruited at two hospitals in Seoul area. Individual stress levels were divided by the stress scores (total 41 scores), as low stressed group (< 12) and high stressed group (${\geqq}12$). The social characteristics, nutrient intake, anthropometric measurements and pregnancy outcome were compared between low stressed group (LSG) and high stressed group (HSG) to recognize risk factor of maternal stress. We found that subjects experience stress by various factors which were concern about newborn (40.4%), concern about health (28.8%), economic difficulties (13.2%), depress (10.1%), family relationship (2.9%), concern of house work (2.5%), human relationship (2%). In HSG, unemployed rate (p < 0.05) and pre-pregnancy BMI (p < 0.05) were higher than in LSG. Family size in HSG was larger than that in LSG (p < 0.01). Doing regular exercise with the light activity level was significantly higher in LSG (p < 0.05). The nutrient intake in LSG was slightly higher than that in HSG, but not statistically significant. Pregnancy outcome was not significantly affected by the maternal stress. In conclusion, the risk of maternal stress may be related with a life style during pregnancy. Therefore, life style for maternal stress control, such as weight control and regular exercise is recommended to prevent maternal stress.

• Neonatal Medicine
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• v.18 no.1
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• pp.49-58
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• 2011

Purpose: The purpose of this study was to evaluate the relationship between cord blood adiponectin and insulin-like growth factor (IGF)-I and their effect on fetal growth and insulin resistance in mothers with gestational diabetes mellitus (GDM). Methods: Cord blood adiponectin and IGF-I were compared between mothers with GDM (GDM group, N=53) and controls (non-GDM group, N=101). Neonates were classified into three groups of small for gestational age (SGA, N=26), appropriate for gestational age (AGA, N=97), and large for gestational age (LGA, N=31) by birth weight. The association between cord adiponectin and IGF-I levels was evaluated in relation to maternal and neonatal clinical data. Results: Cord adiponectin was lower in the GDM group than in the non-GDM group (P<0.001). There was no significant difference in cord adiponectin among the SGA, AGA, and LGA groups in the GDM group (P=0.228). The cord adiponectin of AGA in the GDM group was significantly lower than that in the non-GDM group (P<0.001). The most powerful predictor affecting cord adiponectin was the result of maternal 75 g oral glucose tolerance test. The cord IGF-I values between the GDM group and the non-GDM group were not different (P=0.834). Neonates with the heavier birth weight had the higher cord IGF-I levels. The most powerful predictor affecting cord IGF-I was birth weight and the next was maternal parity. Conclusion: Both cord blood adiponectin and IGF-I were associated with fetal growth, but IGF-I was a more general and direct factor affecting fetal body size, and adiponectin seemed to have more association with insulin sensitivity than growth.

• Journal of Nutrition and Health
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• v.44 no.1
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• pp.5-15
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• 2011

Although iron is an essential mineral, excess iron intake during pregnancy may increase oxidative stress in tissues. This study was conducted to investigate the effects of iron overload during pregnancy on iron status and oxidative stress in maternal rats. Ten week-old female Sprague-Dawley rats were mated with male rats. Non-pregnant (control) and pregnant rats were fed diets containing normal Fe (35 mg/kg diet), high Fe (350 mg/kg diet), or excess Fe (1,050 mg/kg diet) during pregnancy. Rats were sacrificed on pregnancy day 19. No significant difference in weight gain, diet intake, or litter size was observed according to iron intake levels. Furthermore, serum iron, hemoglobin, and hematocrit were not different among the rats administered the three levels of Fe both in the control and pregnant groups. However, the iron levels were lower in pregnant rats than those in the control. The liver and spleen iron contents increased significantly in the excess Fe group. An increase in liver ferritin levels with increasing iron intake was observed. Protein carbonyl content, as a marker of oxidative stress, increased significantly in liver with increasing iron intake but not malondialdehyde. Glutathione peroxidase activity in the liver of pregnant rats fed excess iron decreased significantly. Bcl-2 protein expression in the liver declined remarkably with increasing maternal iron intake in pregnant rats. Taken together, iron overload during pregnancy had little effect on hematology. However, the deposits of iron in the liver and the decline in antioxidant enzyme activity implied increased oxidative stress in tissues of the excess Fe group. These results suggest that excess iron intake during pregnancy increases oxidative stress in maternal tissues and may also affect fetal tissues.

• Journal of Korean Academy of Nursing
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• v.42 no.4
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• pp.517-524
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• 2012

Purpose: To compare and confirm the impact of prepregnancy body mass index on pregnancy outcome in women with a singleton conceived by assisted reproductive technology and spontaneously conceived pregnancy. Methods: A sample of 165 and 247 pregnant women with and without assisted reproductive technology were retrospectively recruited from electronic medical charts of C hospital. Results: There were significant differences between the two groups for maternal age, paternal age, length of marriage, prepregnancy body mass index, parity, spontaneous abortion experience, and preterm delivery. A prepregnancy body mass index of ${\geq}25$ was associated with higher risk for maternal and neonatal complication in the assisted reproductive technology group. Conclusion: The results indicate that a higher prepregnancy body mass index is associated with increased risks for adverse pregnancy outcomes for women using assisted reproductive technology. So these women need appropriate care to compensate for the risk.

• Journal of Korea Entertainment Industry Association
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• v.14 no.6
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• pp.259-267
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• 2020

This study is to identify the effects of pilates mat exercise on the body composition, lumbar muscle strength, low back pain and pregnancy stress in pregnant women. In order to carry out this study, nineteen pregnant women were divided into two groups: pilates mat exercise group (n=11) and control group (n=8). EXE group performed pilates mat exercise for 60 min per day, 2days/week for 12 weeks. Our results showed that there was no significant changes in total body water, body fat mass, BMI, body fat percent, and BMR, but the EXE group showed significant increase in skeletal muscle mass. Furthermore, EXE group was significantly increased in hip extension and lumbar extension ROM. Analysis of low back pain and pregnancy stress level showed no significant difference between group. In conclusion, our study suggest that pilates mat exercise can be safely applied to pregnant women by increasing the muscle mass of pregnant women and by showing a positive effect on the lumbar muscle strength.

• The Korean Journal of Food And Nutrition
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• v.16 no.1
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• pp.54-59
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• 2003

This studies were performed to functional food consisted of herb mixture having an effect on postpartum body weight control in 105 subjects(control group n=54, experimental group n=51). Mean age of control and experimental group were 29.3 and 29.1 Mean pregravida body mass index of control and experimental group were 22.8 and 21.5. Total weight gain during the period of pregnancy of control and experimental group were 19.1kg and 17.8kg. In this studies, changes in postpartum weight was measured until one year after parturition. Until 1 month after parturition, there almost had no changes in weight all of two groups. But after 2 month, change in weight loss between two groups was shown definitely. Mean weight loss of control group and experimental group were 2.3kg and 6.5kg after 2 month, 3.7kg and 9.8kg after 3 month, 5.0kg and 10.4kg after 1 year(p<0.01).

• Korean Journal of Veterinary Research
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• v.34 no.1
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• pp.69-75
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• 1994

Pregnant CD-1 mice were exposed to methylmercury in the drinking water at concentration of 20ppm with subcutaneous treatment of thiaminHCl(vitamin $B_1$) (100mg, 200mg or 300mg/ kg b.w.) or BAL(5.0 mg/kg b.w.) under the alone or combined base at the therapeutic agents from day 6 to 15 of gestation. Fetal growth parameters, including body weight and crown-rump length in the mice exposed to mercury, were reduced as placental weight compared to those in the control group(no treatment). The incidence of dead fetuses/resorption and malformed fetuses(especially cleft palate) was also increased even in the group treated with thrapeutic agents as well as in the mercury only treated group. However, all kinds of alteration indicated above, possibly induced by mercury, reduced/or decreased significantly compared to those of control. A subtle indication of maternal toxicity was noted in most experimental animals as evidenced by decreased water consumption and increased relative liver weight. The present study confirmed that methylmercuric chloride is embrytoxic and teratogenic in CD-1 mice when administered during organogenesis and that thiamin administration may have therapeutic application for the treatment or prevention against of deleterious effects induced by mercury during gestation period.

• Korean Journal of Veterinary Research
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• v.34 no.2
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• pp.361-368
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• 1994

Teratogenic and embryotoxic effects of mercury have been reported, however, there is little information about possible antidotes against mercury exposure during gestation. In order to evaluate therapeutic effects of selenium as an antidote against mercury poisoning, pregnant CD-1 mice were exposed to methylmercury chloride(20ppm) through the drinking water with treatment of sodium selenite (1.0mg, 2.0mg or 3.0mg/kg b.w., subcutaneously) or BAL(5.0mg/kg b.w., subcutaneously) under the single or combination base as the therapeutic agents from day 6 to 15 of gestation. Fetal growth parameters such as body weight and crown-rump length in the mice exposed to mercury, were reduced as was placental weight compared to those in the control. Treatment of selenium(alone, combination with BAL) reduced the harmful effects induced by mercury on the fetal growth parameters even though no specific relationship between dose and therapeutic effect. The incidence of dead fetuses/resorptions and malformed fetuses(especially cleft palate) was also increased in the mercury only treated group. Selenium treatment demonostrated reduced the incidence of abnormal fetuses under the exposure of mercury. Relative maternal organ weights(liver, kidney, spleen) were increased significantly but relative brain weight was decreased as evidenced by decreased in the mercury treated mice compared to that in the control. A subtle indication of maternal mercury toxicity evidenced by changes of relative maternal organ weights, decreased water and feed consumption were also prevented efficiently by selenium treatment. The present study suggests that methylmercuric chloride is embrytoxic and teratogenic in CD-1 mice when exposured during organogenesis and that selenium administration may have therapeutic application for the treatment of mercury poisoning although more applicable study in human should be performed with caution in the future.

• Clinical and Experimental Pediatrics
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• v.51 no.7
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• pp.722-728
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• 2008

Purpose : This study was designed to examine the effects of adiponectin, leptin, insulin, insulin-like growth factor (IGF)-I and IGF binding protein (BP)-3 levels in cord blood on weight, length, and adiposity at birth in healthy term infants. In addition, we evaluated the mechanism to change the hormone levels in appropriate for gestational age (AGA) during the first month. Methods : We collected cord blood from 200 term neonates (109 males, 91 females) with no perinatal problems, and measured the hormone levels and anthropometric parameters including weight, length, and skin-fold thickness. Term neonates were divided into 3 groups as follows: birth weight appropriate for gestational age (AGA) (n=132), birth weight less for gestational age (SGA) (n=29), and birth weight more for gestational age (LGA) (n=39). Venous blood samples of 15 fullterm healthy neonates were obtained at 3, 7, and 30 d after birth. Results : The adiponectin, insulin, and IGF-I levels were significantly lower in the SGA group than in the AGA and LGA groups. The leptin levels were significantly higher in the LGA group than in the AGA and SGA groups. Cord blood adiponectin, leptin, insulin, IGF-I, and IGFBP-3 levels correlated significantly and positively with birth weight and the sum of the skin-fold thickness. A significant positive correlation was observed between adiponectin, leptin, and IGF-I levels and birth weight. Adiponectin level correlated significantly with that leptin level (r=0.191, P=0.038), but not with insulin, IGF-I and IGFBP-3 levels. IGF-I levels were higher in females than in males. At 7 d after birth, the leptin level decreased along with physiologic weight loss, and then increased. IGF-I, also decreased at 3 d, significantly increased 1 month later. Conclusion : We suggest that adiponectin, leptin, insulin, IGF-I, and IGFBP-3 play an important role in regulating fetal growth. Adiponectin may be involved in regulating fetal growth through mechanisms different from those mediated by insulin or IGF-I. High levels of IGF-I in female neonates indicates a gender difference which serves as evidence for in utero sexual dimorphism. It is likely that IGF-I has a more important role than that of hormones in postnatal growth.