This study examined the antenatal care known as Taekyo. The sample consisted of 795 women and 564 men who had be seen in the antenatal care unit, delivery room, or postpartal care unit of general hospitals in Korea between March 20 and April 22, 1995. Data were collected using the "Taekyo questionnaire for childbearing women" and "Taekyo questionnaire for husbands of childbearing women" developed by researchers. Data were self-reported. Data were analyzed using the SPSS PC+ program, and descriptive statistics, T-test, ANOVA, Pearson correlation coefficient were applied. The results of this study were as follows : 1. Encouragement to practice Taekyo was at a relatively high level. Items on Taekyo encouraging behaviors had a mean score of 3.51(33 items 5 point scale). According to the five categories of Taekyo encouraging behaviors, subjects indicated they practice "food intake(mean score 4.02)". "praying(mean score 3.78)", "cumulative virtuous deeds (mean score 3.58)". "mind and body management(mean score 3.47)", "maternal fetal interaction(mean score 3.15)". 2. The childbearing women's practices related to forbidden behaviors by Taekyo were relatively high. Item on forbidden behaviors by Taekyo had a mean score 3.71(43 items 5 point scale). According to the five categories of forbidden behaviors by Taekyo, subjects indicated they practiced "voluntary abstention of drugs(mean score 4.78)," avoiding behaviors(mean score 4.78)," avoiding behaviors(mean score 3.77), "good behaviors(mean score 3.71)", "taboo on fetal death tendency (mean score 3.53)", "taboo on certain intake(mean score 3.47)". 3. The practice score of husbands for childbearing women which related to Taekyo behaviors were relatively high. Item on Taekyo behaviors had a mean score 3.59(33 items 5 point scale). According to the six categories of Taekyo behavior, subjects indicated they practiced "mind and body management(mean score 3.94)", "praying(mean score 3.80)", "support of women’s practice related to Taekyo(mean score 3.66)", "good behaviors(mean score 3.58)", "continency(mean score 3.33)", "paternal fetal interaction (mean score 3.19)". 4. On the childbearing women's perception of Taekyo, most of the subjects(88%) had confidence in the positive effects of Taekyo on Child development. The result showed that the childbearing couples practiced Taekyo behavior relatively often and sincerely and most of the childbearing women had a positive perception of Taekyo's effect on prenatal child development.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.8
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pp.474-481
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2018
The purpose of this study was to examine the mediating effects of maternal family experience on the relationship between mothers' tendency to addicted to smartphones and the social competence of young children. The subjects of this study were 481 mothers who delivered infants to a kindergarten or daycare center in Jeju area After conducting the questionnaire, the results of the responses were analyzed. To analyze the collected data, structural equations were implemented using SPSS Statistic 18.0 program. The results of this study are summarized as follows. First, the correlational analysis showed that the tendency of the addiction of smartphone and the social ability of the infant showed a significant correlation with the mother's family experience. Second, in the relationship between the mother's smartphone tendency and the social competence of the infant, The research model and the competition model were set up to examine the mediating effect and the competition model was found to be more appropriate. As a result, it can be seen that mother's original family experience is partly mediated in relation to mother's tendency to add to smartphone and social competence of infant. Based on these results, the implications of this study and suggestions for subsequent research were discussed.
The aim of this study was to examine how children's self control, mother's addiction to smart devices and parenting behavior influence the way young children used smart devices. Participants were made up of 166 preschoolers and their mothers. Descriptive analysis, Pearson's correlation coefficient, and hierarchical regression analysis were used for statistical analysis. The results were as follows: First, children in their early childhood years used smart devices once or twice a week, for ten to thirty minutes, mainly during weekends. Children in their early childhood stage started to use smart devices before reaching the age of 3, and accessed them through their parents, usually along with their siblings. Parents allowed their children to use smart devices for fun and entertainment, with only 66.3% of them setting rules. Second, the mother's tendency to be immersed in smart devices, overprotection and permission were positively correlated to young children's overusage of smart devices, whereas geniality, encouragement, setting limits, and children's self control were negatively correlated. The study also found that the mother's tendency of being immersed in smart devices was the most influential factor for their children's overusage of smart devices. The value of this study lies in providing practical suggestions for children's smart device usage and parental education programs.
Shin Sunhee;Jang Ja Young;Baek In-Jeoung;Yon Jung-Min;Nam Sang-Yoon;Yun Young Won;Cho Dae-Hyun;Kim Soon-Sun;Rhee Gyu-Seek;Kwack Seung-Jun;Kim Yun-Bae
Toxicological Research
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v.21
no.4
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pp.325-332
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2005
The developmental toxicity of water extract of licorice (Glycyrrhiza glabra) was evaluated in rats. Licorice extract (500, 1,000 or 2,000 mg/kg) was dissolved in drinking water and orally administered to male rats from 9 weeks before mating to the day of copulation, and to females from 2 weeks before mating to gestational day 19. On gestational day 20, the animals were sacrificed for Cesarian section, and maternal and fetal abnormalities were examined. Licorice extract neither induce clinical signs, nor affect the body weight gain, feed and water intake, estrous cycle, copulation and fertility rates, blood $17\beta-estradiol$ level and organ weights of dams. Also, the implantation and development including body weights, absorption and death of embryos and fetuses were not influenced by in utero exposure to licorice. In addition, there were no increases in external, visceral and skeletal abnormalities of fetuses. Taken together, it is suggested that no observed adverse effect level of licorice extract is higher than 2,000 mg/kg, and that long-term in utero exposure to licorice might not cause developmental toxicities of embryos and fetuses.
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.
DA-125 is a new anthracycline antitumor antibiotic, which is derived from adriamycin. The potential of DA-125 to induce embryotoxicity was evaluated in the Sprague-Dawley rats. One hundred twenty naturally mated SD rats(sperm in vaginal lavage=day 0) were distributed among three treated groups and a control group. DA-125 was administered intravenously at dose levels of 0. 0.1, 0.3 and 1.0mg/ kg/day. Dams were treated from day 7 to 17 of gestation and were subjected to the caesarean section on day 20. At 1 mg/kg, reduced food intake, reduced body weight and decreased weight of spleen were observed in dams. An increase in the resorption rate and a reduction in the fetal weight were also found. In addition, various types of external, visceral and skeletal malformations occurred at an incidence of 11.9, 41.8 and 14.5%, respectively. Characteristic malformations include exencephalia, gastroschisis, cleft lip, dilatation of lateral and 3rd ventricle, fused ribs, among others. There were no signs of maternal toxicity or embryotoxicity at 0.1 and 0.3mg/kg. The results show that the test agent DA-125 is embryotoxic at maternally subtoxic dose in rats.
Journal of the korean academy of Pediatric Dentistry
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v.41
no.3
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pp.247-256
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2014
The purpose of this study was to determine the prevalence of non-nutritive sucking in preschool children in Daejeon. This study assessed the relationship between contributing factors influencing the prevalence of non-nutritive sucking. Also, the effects of non-nutritive sucking on the primary dentition were investigated. The study included 841 children 18~65 months of age that visited a pediatric private dental clinic for oral examination. Both children and their guardians were surveyed. It was found that 32.8% of children exhibited non-nutritive sucking, and 37.7% of females displayed this behavior. The number of females showing this behavior was significantly greater than that of males. The prevalence decreased significantly with the breast-feeding period, and there was no association with either birth rank or maternal occupation. Finger sucking (62.6%) was more prevalent and of longer duration than pacifier sucking (37.4%). Malocclusion of the primary dentition was associated with the duration of this behavior.
The purpose of this study was to find out the effect of in-service education on the nurse-newborn play interaction. The research design adopted the pre-experimental design applied only for one pretest-posttest group and Barnard's mother-infant interaction model was used as a conceptual framework. The subjects were 26 nurses who were selected from 2 nurseries in general hospital in Pusan, and 52 healthy newborns who were after 4 days from birth during data collection period at the same hospital. The data were collected from June 1st to October 5th in 2001, by video-taping for the interactive behaviors between the nurse and the newborn, played for 5 minutes in nurseries 2 weeks before and after in-service education. The in-service education consisted of the newborn's behavior responses focused on the newborn baby's states, behavior, cues and state modulation, 3 times per 1 week, 90 minutes per 1 time, lecture, demonstration and hand out project. The experimental tool used for this research was Ha Young-Soo's Korean translation of the Maternal-Infant Play Interaction Scale by Thompson, Jody Baird, Sara Gordman, Bryant(1982), some parts of which were adapted to be suitable for the purpose of this research. Mother and baby scale by Wolke & James-Roberts(1987) was also modified and used as the criterion of nurse's perception of a newborn baby. The results of this study were as follows: 1. This result supported the major hypothesis : After the intervention of in-service education, the nurse and newborn play interaction was promoted. 2. After intervention of in-service education, the nurse perception of newborn, especially the criteria of newborn's reaction was promoted., The results of this research confirm that in-service education on the newborn's behavior responses such as states, behavior, cues and state modulation is an effective way to improve the interaction between the nurse and the baby. It elevated the nurse's sensitivities to the baby's needs. Therefore, in-service education can change the conditions of current nursing practice mostly centered on physical care into a better one in which nurses consider the emotional, social, and intellectual development stages of babies. Accordingly, in-service education contributed to promoting the effective nurse-newborn play interaction so positively.
This study was performed to analyze the sequence variations of mtDNA D-loop and their effects on milk in Hanwoo(Korean cattle). The resulting sequences were compared with previously published sequences for other cattle breeds (GenBank JOI394). The Polymerase Chain Reaction was performed to amplify a total of 964 bp between nucleotide 15758 and 383 within D-loop region of mtDNA using specific primers. Twenty polymorphic sites by nucleotide substitution were found in mtDNA D-loop region of Hanwoo. The frequencies of positions at 8, 169, 16042, 16051, 16057, 16093, 16119, 16122, 16209, 16255 and 16302 nt with high levels of sequence polymorphism were 0.150, 0.950, 0.085, 0.138, 0.106, 0.085, 0.138, 0.212, 0.085, 0.148 and 0.180, respectively. The substitution effect at 16119(p<0.1) and 16185(p< 0.05) nt was found significant on milk production. Polymorphism of mtDNA sequence in D-Ioop region could be useful for the analysis of cytoplasmic genetic variation and associations with the other economically important traits and maternal lineage analysis in Hanwoo.
Objective : To determine the clinical risk factors associated with the mode of delivery decision and to compare cesarean section rates after adjusting for risk factors identified among Korean hospitals. Methods Data were collected from 9 general hospitals in two provincial regions by medical record abstraction during February 2000. A total of 3,467 cases were enrolled and analyzed by stepwise logistic regression. Performance of the risk-adjustment model (discrimination and calibration) was evaluated by the C statistic and the Hosmer-Lemeshow test. Crude rates, predicted rates with 95% confidence intervals, and adjusted rates of cesarean section were calculated and compared among the hospitals. Results : The average crude cesarean section rate was 53.2%, ranging from 39.4% to 65.7%. Several risk factors such as maternal age, previous history of cesarean section, placenta previa, placental abruption, malpresentation, amniotic fluid abnormality, gestational anemia, infant body weight, pregnancy-induced hypertension, and chorioamnionitis were found to have statistically significant effects on the mode of delivery. It was confirmed that information about most of these risk factors was able to be collected through the national health insurance claims database in Korea. Performance of the risk-adjustment model was good (c statistic=0.815, Hosmer-Lemeshow test=0.0621). Risk factor adjustment did lead to some change in the rank of hospital cesarean section rates. The crude rates of three hospitals were beyond 95% confidence intervals of the predicted rates. Conclusions : Considering that cesarean section rates in Korean hospitals are too high, it is apparent that some policy interventions need to be introduced. The concept and methodology of risk adjustment should be used in the process of health policy development to lower the cesarean section rate in Korea.
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