• 보건행정학회지
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• 제21권4호
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• pp.585-598
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• 2011

This study was conducted to examine the trend of national health insurance service use with relation to pregnancy, childbirth, and the puerperium among pregnant and postpartum women older than 35 over the last decade. A descriptive analysis was conducted, using the data which were drawn from the "nationwide claim database of Korean National Health Insurance Corporation(NHIC)". Data were composed of the total cases related to pregnancy, childbirth, and the puerperium (International Classification of Disease, $10^{th}$revision [ICD-10] codes O00-O99) from 2001 to 2008. During 2001-2008, the number of pregnant and postpartum women older than 35 had continuously increased and the percentage of them also had increased in both hospital and ambulatory care. There are similar trends in their total use of national health insurance service and total expenditure. According to demographic characteristics, there was the biggest increase of the percentage in residents in large cities, self-employed workers, ones in the highest income level. According to ICD-10 codes, there was the biggest increase of the percentage in O10-O16 (oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium). According to the major prevalent disease, there was the biggest increase of the percentage in O60 (preterm labor and delivery). Throughout the past decade, the necessity has been emphasized of supporting pregnant and postpartum women older than 35. But in maternal and child health care, they are in an early stage of development. The findings of this study would be helpful in developing the support programs for the aged pregnant and postpartum women.

• 한국임상수의학회지
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• 제20권3호
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• pp.369-375
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• 2003

The ultrasonography was performed in 77,924 subestrous dairy cows from 680 dairy farms at 57 districts. The cows were examined for confirmation of resumption of ovaries and uterus after 30 days postpartum, for early pregnancy diagnosis after 30 days post-insemination, confirmation of pregnancy at 8 month post-insemination, and for diagnosis of reproductive dysfunctions, respectively. The results of reproductive examination by ultrasonography in 77,924 dairy cows were ovarian disorders 35,452 (46.8%), uterine disorders 10,721 (13.8%), pregnancy and pregnant failure 24,044 (30.8%), adhesion of reproductive tracts 167 (0.2%), freematins 13 (0.01%) and others 6,527 (8.4%) cows, respectively. The 13,732 (49.6%) cows out of 27,694 cows were treated for silent heat or error of estrus detection, 3,473 (12.5%) cows for follicular cysts, 815 (3.0%) cows for luteal cysts, 606 (2.2%) cows for inactive ovaries, 4 (0.01%) cows for granulosa cell tumors, and 6,455 (23.3%) cows for endometritis, respectively. The indices of reproductive efficiencies before (2001-08-10) and after (2003-07-20) periodical examination of reproductive status were as follows; the mean intercalving interval were shortened from 471 days to 383 days, the mean interval calving to conception were shortened from 187 days to 99 days, the mean interval calving to first service were shortened from 105 days to 67 days, the mean cows showing heat by 60 days postpartum were increased from 33% to 89%, the mean conception rate to first service were increased from 43% to 68%, and the mean service per conception were shortened from 2.6 times to 1.8 times, respectively. These results suggest that periodical examination of reproductive status would be useful for the improvement of the reproductive performance in dairy cows.

• Child Health Nursing Research
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• 제2권2호
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• pp.35-44
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• 1996

The purpose of this study was to examine the knowledge and attitude of breast feeding and to explore the predictive variables for the intention of breast feeding of mothers. One hundred and thirty-five mothers who delivered at the D University hospital during the period of May to June in 1996 comprised the sample. Data were collected by questionnaire methods before discharge at the hospital. Data were analyzed using percent, 1-test, and logistic regression. The results were as follows : 1. During their pregnancy, majority of mothers (74.8%) got the breast feeding information. Information sources were book (34.5%), family and relatives(32.4%), mass media(24.3%), and professionals such as nurses and doctors (8.8% ). The frequently reported sources of most encouragement for breast feeding were mother in law(20.7%) and baby's father (11.1% ). 2. The mean score of the items of Knowledge and Attitude toward Breast Feeding Scale were 42.56 (SD=5.47) and 39.07(SD=5.15) , representing positive attitude toward breast feeding. The correlation between knowledge and attitude score was significant(r 〓.54, p<.001). Knowledge of breast feeding were significantly different between breast feeding intention group (including partial breast feeding) and artificial feeding intention group(t=2.79, p<.01) 3. Logistic regression analysis revealed that feeding method in the hospital, delivery type, knowledge toward breast feeding, disease related to pregnancy, complication related to delivery, and educational level of mother were predictives of the intention of breast feeding. 4. The most frequently rated reasons for the plan for mixed feeding were concern about insufficient milk (37.9%) and work(27.6%), The major reasons for plan for artificial milk feeding were having premature baby(25.9%) and maternal health problems including infection(14.8% ) and drug use due to chronic illness (14.8%). From the result of the study, it is recommended to develop supportive nursing intervention strategy to promote breast-feeding intention and practice. The intervention could be more effective to begin early in pregnancy and include teaching for breast feeding skills as well as information provision for positive attitude formation.

• Kidney Research and Clinical Practice
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• 제37권4호
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• pp.338-346
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• 2018

Background: The most common cause of acute kidney injury (AKI) in pregnancy is preeclampsia. Serum cystatin C (CysC) is a potential biomarker of early kidney damage as its levels are not disturbed by volume status changes in pregnancy, and serum CysC levels could serve as a replacement for conventionally used creatinine. In this study, we investigated the serum levels of CysC in severe preeclampsia cases and the associations between CysC levels and poor obstetric outcomes. Methods: Our cohort included severe preeclampsia patients with a normal serum creatinine level. Creatinine was measured to calculate estimated glomerular filtration rate (eGFR) based on the Cockcroft and Gault, Modification of Diet in Renal Disease Study (MDRD), and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations, while CysC was measured to calculated eGFR based on a CysC-based equation. We then evaluated the correlations between serum CysC level, eGFR, and obstetric outcomes. Results: Twenty-six patients were evaluated of which 38.5% delivered preterm and 30.8% had low-birth weight babies. Unlike creatinine-based eGFR and CysC-based eGFR, serum CysC demonstrate significant negative correlation with gestational age. Receiver operating characteristic curve analysis indicated that serum CysC is a potential biomarker of preterm delivery with a cut-off serum level of 1.48 mg/L with 80% sensitivity and 75% specificity. Conclusion: GFR estimation using CysC is likely to be inaccurate in pregnancy. However, we found a significant correlation between preterm delivery and serum CysC level. Our results suggest that serum CysC level has the potential to predict preterm delivery in severe preeclampsia patients.

• Animal Bioscience
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• 제35권10호
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• pp.1524-1534
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• 2022

Objective: The objective was to test if creep feeding (CF) improves the average daily gain (ADG) and weaning weight of calves submitted to temporary weaning (TW) and if the combination of CF and TW improves conception and pregnancy rates of cows. Methods: Primiparous (n = 74) and primiparous and multiparous (n = 104) cows grazing native grasslands were used in experiment 1 and 2; respectively. The experimental design was in plots divided into complete random blocks with two replications. The CF was the big plot and TW the small plot, thus four experimental groups were formed: i) -CF-TW (n = 21 and 27); ii) -CF+TW (n = 16 and 24); iii) +CF-TW (n = 20 and 26); iv) +CF+TW (n = 17 and 27) with cow-calf pairs for experiments 1 and 2; respectively. Nose plate application for TW had a duration of 14 and 15 days for experiment 1 and 2: respectively. In experiment 1, calves were fed at 1% of live weight for 112 days using a commercial supplement with 18.4% crude protein. In experiment 2, the supplementation lasted 98 days, and was carried out with corn dried distillers grains with soluble (DDGS) at 40% of the potential intake on a daily basis. Results: The TW reduced ADG during the TW period and the following 14 days, but the negative effect of TW was maintained until the final weaning only in experiment 2. The CF increased ADG during TW period in both experiments. The TW promoted an earlier conception of the dams (12 days in -CF treatment and 19 days in +CF treatment, p<0.01) and CF increased pregnancy rate in experiment 1, being the effects not consistent between experiments. Conclusion: The CF consistently promoted an increase in ADG during the period of TW and increased final weaning weight of calves, therefore it is economically viable.

• Clinical and Experimental Reproductive Medicine
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• 제19권1호
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• pp.9-14
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• 1992

Platelet activating factor(PAF) has been reported to play a significant role in ovulation, establishment and maintnance of early pregnancy. The object of this study was to investigate the influence of PAF on progesterone secretion in rabbit by measurement of pheripheral blood concentration of progesterone. PAF had no effect on progesterone secretion and did not induce decidual reaction in nonovulatory rabbit. But 8th day of hCG induced pesudopregnant rabbit, PAF significantly increase progesterone secretion. Progesterone level was significantly increased at 0.5 and 4 hours after treatment with $10^{-8}$ M PAF on days 2, 4, 6, 8 of gestation as compared than those treated with normal saline. When PAF was injected 2 days after coitus, progesterone levels on days 4, 6, 10, 14 of gestation was significantly increased than those with saline injected group. These results suggest that PAF increase progesterone secretion from the hCG-primed ovary and during pregnancy in rabbit.

• 대한간호학회지
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• 제31권1호
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• pp.55-67
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• 2001

A phenomenological study was conducted to investigate the experiences of mothers pregnant via in vitro fertilization (IVF). Sample of nine mothers participated. Ten theme clusters emerged when the formulated meanings were organized into categories. During the infertility period, the participants were subject to self- depreciation, envy, anxiety, and depression. It changed their priorities in life from a job-oriented life to one where having a baby was the most important thing. After trying numerous alternative therapies, IVF became their last hope in having a baby. Since the success rate for IVF is low (only 20-30%), the participants for the treatment were overwhelmed with uncertainty, and it led to further anxiety, depression and despair. Success of pregnancy gave them extreme satisfaction, but they became very cautious in their day-to-day life because of their fear of abortion and early delivery. Some were even worried about the side effect of IVF during the pregnancy. Finally, the delivery of the baby gave them relief from the obligation of having a baby. Women did not have any difficulties in rearing a "test tube baby" except in the case of twins. Most women had no ethical difficulty in having a baby by IVF. However they did not wish this information to be revealed to other people. They again turned to IVF to have a son(s) when the resultory child(s) was a daughter(s). This is because of the strong preference for sons in Korean society.

• 동아시아식생활학회지
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• 제16권2호
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• pp.186-191
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• 2006

The purpose of this research was to study the chemical compositions of pork for crossbred pig (female, 198 days old $102{\sim}118kg$) that were fed with tangerine byproduct from pregnancy through the whole rearing period. The samples for this study consisted of the pork from give the number of control pigs not fed with tangerine byproduct($T_0$), and the pork from give the number of study pigs fed with 8% tangerine byproduct during the whole breeding period, from the early pregnancy through the young, growing and finishing periods ($T_1$). Backfat thickness of the crossbred pigs was significantly decreased by feeding tangerine byproduct (p<0.05). The proximate composition, minerals, total amino acid, saturated fatty acid vs. unsaturated fatty acid and vitamin $B_2$ contents of loins were not significantly different among $T_0\;and\;T_1$, (p>0.05). Although those differences were not significant statistically, the tangerine byproduct tended to increase the amount of vitamin $B_1$, and decrease the crude fat and cholesterol contents.

• Journal of Genetic Medicine
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• 제16권2호
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• pp.76-80
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• 2019

About 15% to 20% of all clinically recognized pregnancies result in spontaneous abortion or miscarriage, and chromosomal anomalies can be identified in up to 50% of first trimester miscarriages. Chromosomal microarray analysis (CMA) is currently considered first-tier testing for detecting fetal chromosomal abnormalities and is supported by the absence of cell culture failure or erroneous results due to cell contamination in pregnancy loss. Triploidy is a lethal chromosome number abnormality characterized by an extra haploid set of chromosomes. Triploidy is one of the most common chromosomal aberrations in first trimester spontaneous abortions. Here, we report two cases of triploidy abortion that were not detected using array comparative genomic hybridization-based CMA. The aim of this report was to remind clinicians of the limitations of chromosomal testing and the misdiagnosis that can result from biased test selection.

• 혜화의학회지
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• 제18권2호
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• pp.95-104
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• 2009

This study was carried out through the investigation of Oriental and Western medical literature and we was discovered these conclusions about the etiology, treatment, prescription of habitual abortion. The result of this study were as follows : 1. The habitual abortion does agree with 'Hwaltae(滑胎)' and means that spontaneous abortion repeats three times or more. 2. The etiology of habitual abortion is divided 'Deficiency of kidney'(腎虛), 'Deficiency of vital energy and blood'(氣血虛弱), 'Deficiency of yin'(陰虛), 'Clotted blood'(瘀血). 3. By means of cause, the treatment of habitual abortion was mainly made use of 'Tonifying kidney and promoting spleen'(補腎健脾), 'Invigorating vital energy and nourishing blood'(補氣補血), 'Supplementing yin fluid and alleviating fever'(滋陰淸熱), 'Resuscitating blood and removing clotted blood'(活血祛瘀). 4. By means of cause, the prescription of habitual abortion was frequent made use of Bosingochunghwan(補腎固沖丸), Bosingotae$\breve{u}$m(補腎固胎飮), Taesanbans$\breve{o}$ksan(泰山磐石散), $Ch\breve{o}ng\breve{u}mboinghwan$(千金保孕丸), Agyotang(阿膠湯), Gungguibojungtang(芎歸補中湯), Taewon$\breve{u}$m(胎元飮), Gotaej$\breve{o}$n(固胎煎), Baekchulj$\breve{o}$n(白朮煎), Sas$\breve{o}$ngsan(四聖散), Gyegibokryonghwan(桂枝茯苓丸), $Dangguich\breve{o}ng\breve{u}mtang$(當歸千金湯). 5. The Western medical etiology of habitual abortion(recurrent spontaneous early pregnancy loss) is divided Genetic factor(Chromosome aberration), Anatomical deformity, Endocrinologic disorder, Infection, Immunologic factor, Unknown factor(Others).