• International Journal of Advanced Culture Technology
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• v.6 no.3
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• pp.12-21
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• 2018

This study was a cross-sectional survey of the effects of pregnancy necessity recognition on emotional happiness and mediation effect of health control behavior on it. A total of 200 participants in the study were collected from structured questionnaire online and the data collection was from July $1^{st}$ to July $31^{st}$, 2018. Health control behavior questionnaire was developed by Wallston, K.A., Wallston, B.S. & Devellis, R (1978), Emotional happiness was analyzed by using PANAS (positive and negative affect schedule) developed by Watson, Clark and Tellegen (1988). The collected data were chai-square($X^2$), Pearson correlation, Dummy regression analysis, simple regression analysis, and the mediated effect analysis by SPSS 18.0. As a result, Under statistical significance, there were differences in the recognition of pregnancy necessity were depending on religion, participant's age, number of siblings, thought of optimal marriage age(p<0.05). More siblings, more religious, older age, and more recognized the pregnancy necessity. The analysis of Pearson correlation with the pregnancy necessity, health control behavior, and emotional happiness reveled that it was relevant (p<0.01). Dummy regression analysis showed that people who thought that pregnancy was necessary were 0.700 times more likely to felt emotional happiness that people who thought it was unnecessary (p<0.01). Analysis on the mediation of health control behavior, in which the effects of pregnancy recognition on emotional happiness, showed that it was effect (other people's health control behavior: B:.299, p<0.01, internal health control behavior : B:.217, p<0.05). Based on these results, this study suggested that to promote pregnancy recognition, families with brother and sister should be programmed with recommendations for exercise and alcohol abstinence, religious belief and health control programs.

• Asian-Australasian Journal of Animal Sciences
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• v.13 no.9
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• pp.1228-1234
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• 2000

The reported study was conducted on range managed Malpura ewes that were non-breeding empty, were at an advanced stage of pregnancy, and were in early lactation, under a protocol of free grazing with concentrate supplementation at 1.00, 1.25 and 1.50% of their body weight to assess their plane of nutrition and nutrient intake. The biomass yield of pasture plots was 1689, 1820 and 2912 kg/ha in pregnancy, lactation and empty phases, respectively. In addition to natural shrubs and forbs, Cenchrus ciliaris (36.4%) and dead litter (31.6%) were the major component of pasture vegetation during pregnancy. The dead litter disappeared during the lactation and empty phase with a concomitant increase in distribution of Cenchrus ciliaris to 73.0 and 87.2% respectively. The daily dry matter consumption from supplemental concentrate and free grazing was 70.1, 57.3 and 63.5 g/kg $W^{0.75}/d$ with concentrate to roughage ratio of 40:60, 47:53 and 33:67 in pregnancy, lactation and empty phases respectively. Digestibility of DM and OM were similar in the three phases while CP digestibility was higher (p<0.0l) during lactation than other two phases. Digestibility of NDF, ADF and cellulose were higher (p<0.0l) in empty than pregnancy and lactation, while hemicellulose digestibility was similar in lactation and empty and lower in pregnancy phase. The ewes in ~hases of pregnancy, lactation and empty consumed 7.1, 7.7 and 6.1 g DCP and 197.2, 214.6 and 232.5 kcal DE/kg $W^{0.75}/d$ respectively. It is concluded that ewes maintained on semi-arid Cenchrus dominated pasture with concentrate supplementation during pregnancy, lactation and empty phases consumed 45.2, 45.1 and 35.2 g DCP/Mcal ME respectively.

• Journal of Veterinary Clinics
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• v.29 no.1
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• pp.33-37
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• 2012

This study was performed to evaluate the rate of twin pregnancy and parturition in dairy cows. Calving records of Holstein dairy cows from 1998 to 2009 comprising Goyang and Paju cities herd with 20,990 calving events representing 820 twin births were used to evaluate twinning rate, calf sex ratio, periods of pregnancy and complication after parturition in single and twin births. Overall, the reported twinning rate was 3.9% in Holstein dairy cows. Rate of bicornual pregnancy (75%) was larger than that of unicornual pregnancy (25%) among cows having twin. Regardless of parity, the greatest twinning rate was observed in fall season from September to November. Calf sex ratios (male, M; female, F) were 48.0% FM, 28.9% MM, 21.5% FF and 0.9% mummifications for twin calves. Parturition type among cows having twins included normal (4.7%), premature (66.9%), delayed (9.2%), abortion (18.4%) and mummification (0.8%). The period of pregnancy in twin pregnancy (mean 272.6 days) was shorter than single pregnancy (mean 278.1 days). The retained placenta after parturition was over fourth times such as twin parturition (34.8%) higher than single parturition (8.5%) and the abomasal displacement was over two times such as twin parturition (10.2%) higher than single parturition (4.9%). The distribution of twin pregnancy with parities was high rate during the 2~3 parities. The prevalence of complication such as retained placenta and abomasal displacement with twin parturition revealed higher than single parturition.

• Reproductive and Developmental Biology
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• v.33 no.3
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• pp.147-152
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• 2009

Lysophosphatidic acid (LPA), a simple phospholipid-derived mediator implicated in diverse biological actions, acts through the specific G-protein coupled receptors, LPA receptor (LPAR) $1{\sim}5$. Our previous study showed that LPAR3 is expressed in the uterine endometrium in a cell type- and stage-specific manner and LPA via LPAR3 increases PTGS2 expression in the uterine endometrium during the period of implantation. Although LPAR3 is considered to be predominant LPA receptor in the uterine endometrium, other LPA receptors might playa role to mediate LPA functions in the uterine endometrium during pregnancy. Among LPARs, we investigated expression of LPAR1 during the estrous cycle and pregnancy in this study. Uterine endometrial tissue samples were collected from day (D) 12 and D15 of the estrous cycle and from D12, D15, D30, D60, D90 and D114 of pregnancy. Northern blot analysis determined that LPAR1 mRNA was constitutively expressed in the uterine endometrial tissues during the estrous cycle and pregnancy of all stages. Analysis by immunoblotting revealed that LPAR1 proteins were present in the porcine uterine endometrium during the estrous cycle and pregnancy. Immunohistochemical experiments demonstrated that LP AR1 protein was localized to endometrial epithelium and stromal cell, specifically to nuclei of these cell types. Results in this study show that LPAR1 is constitutively expressed in the uterine endometrium during the estrous cycle and pregnancy. These results suggest that LPA via LPAR1 may playa role in the uterine endometrial function throughout pregnancy in pigs.

• Journal of Veterinary Clinics
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• v.15 no.1
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• pp.83-93
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• 1998

The purposes of the present study were to evaluate the effect of estrone on the prevention of implantation and pregnancy and the concentrations of estradiol and progesterone or sodium and potassium in the plasma or uterine fluid of pregnant rats injected a single dose of 0, 0.1, 0.4 or 1.0 mg on days 5, 9, or 13 of pregnancy. The body weight gains of pregnant rats were significantly decreased in administering estrone on day 5 of pregnancyi no effect obtained on days 9 or 13. Numbers of viable fetuses were significantly decreased and pre- and post-implantation loss increased by administering estrone 0.1, 0.4 or 1.0 mg and numbers of implantation sites significantly increased by administering estrone 0.1 mg but significantly decreased or not occurred by 0.4 or 1.0 mg on day 5 of pregnancy, respectively, but no effect obtained on days 9 or 13. Plasma estradiol concentrations of pregnant rats were significantly increased on 1, 2 or 18 days after treatment with estrone (1.4 or 1.0 mg and 3 days after 0.4 mg on day 5 of pregnancy, respectively. But plasma progesterone concentrations had no effect on the treatment with estrone. Plasma sodium contents were significantly increased on 1 day after treatment with estrone 0.1 or 1.0 mg and 3 days after 0.1 mg on day 5 of pregnancy, respectively, except potassium content were no detectable change. Sodium contents in uterine fluid were significantly increased on 1 day after treatment with estrone 1.0 mg and 3 days after 0.1, 0.4 or 1.0 mg on day 5 of pregnancy, respectively. And potassium contents were significantly increased on 1 or 2 days after treatments with estrone 0.1 mg but significantly decreased on 3 days after 0.4 or 1.0 mg on day 5 of pregnancy, respectively. It is suggested that the prevention of implantation and failure of pregnancy could be induced by treatment with estrone 0.4 mg on day 5 of pregnancy and might be interrelated with changes of plasma estradiol concentration and sodium and potassium contents in uterine fluid.

• Journal of the Korea Convergence Society
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• v.9 no.11
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• pp.549-559
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• 2018

The purpose of this study was to investigate the risk factors of pregnancy and the relationship between pregnancy experience and suicidal behavior in 284 pregnancy experienced adolescents aged 13-19 years. The suicidal ideation was 57.8%, the suicide plan was 37.7% and the suicide attempt was 37.3% among female adolescents with pregnancy experience. By multivariate logistic regression analysis, female adolescents who experienced pregnancy had 1.44 times more suicidal ideation, 2.39 times more suicide plans, and 2.38 times more suicide attempts than those without suicidal thoughts, plans and attempts. Because of the high correlation between pregnancy experience and suicidal behavior in female adolescents, school and education authorities need systematic education and countermeasures to prevent adolescents' pregnancy and risk of suicide after pregnancy. And above all, convergent support and interest in home, school and community comprehensive area should be supported.

• Asian-Australasian Journal of Animal Sciences
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• v.32 no.9
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• pp.1355-1362
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• 2019

Objective: S100A7A, a member of the S100 protein family, is involved in various biological processes, including innate immunity, antimicrobial function, and epithelial tumorigenesis. However, the expression and function of S100A7A in the endometrium during the estrous cycle and pregnancy are not well understood in pigs. Therefore, this study determined the expression and regulation of S100A7A at the maternal-conceptus interface in pigs. Methods: We obtained endometrial tissues from pigs throughout the estrous cycle and pregnancy, conceptus tissues during early pregnancy, and chorioallantoic tissues during midto late pregnancy and analyzed the expression of S100A7A in these tissues. We also determined the effects of steroid hormones, estradiol-$17{\beta}$ ($E_2$) and progesterone, and interleukin-$1{\beta}$ (IL1B) on S100A7A expression in endometrial tissues. Results: We found that S100A7A was expressed in the endometrium during the estrous cycle and pregnancy in a pregnancy status- and stage-dependent manner and was localized to endometrial luminal epithelial (LE) and superficial glandular epithelial cells with strong intensity in LE cells on day 12 of pregnancy. Early stage conceptuses and chorioallantoic tissues from day 30 to term pregnancy also expressed S100A7A. The expression of S100A7A was increased by $E_2$ and IL1B in endometrial tissues. Conclusion: S100A7A was expressed at the maternal-conceptus interface at the initiation of implantation in response to conceptus-derived estrogen and IL1B and could be a unique endometrial epithelial marker for conceptus implantation in pigs. These findings provide an important insight into the understanding of conceptus-endometrial interactions for the successful establishment of pregnancy in pigs.

• The Journal of Korean Obstetrics and Gynecology
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• v.32 no.3
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• pp.73-85
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• 2019

Objectives: The purpose of this study was to analyze efficacy and safety of Korean Medicine treatment for traffic accidents during pregnancy. Methods: We investigated the studies on Korean Medicine treatment for traffic accidents during pregnancy via searching through PUBMED, the Cochrane Library, CNKI, and domestic search engines and a total of 6 studies were selected. Results: The major complaints of traffic accidents during pregnancy were low back pain, neck pain and gastrointestinal symptoms. And there were vaginal bleeding and pruritus vulvae in the complaints. All of the studies were given acupuncture treatment for symptom relief, and chuna, herbal acupuncture and cupping were administered. Herbal medicine was also performed, and the most prescribed herbal medicine was Antaeeum-gamibang. All cases reported as traffic accidents during pregnancy showed a reduction in symptoms, normal pregnancy maintenance and delivery, and no miscarriage were reported. Conclusions: Korean Medicine treatment is an effective and safe treatment option for traffic accidents during pregnancy. Further systematic studies are needed to establish the basis for Korean Medicine treatment for traffic accidents during pregnancy.

• Journal of the Korean Society of Radiology
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• v.15 no.4
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• pp.499-505
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• 2021

In this study, HRV signals are analyzed to compare the autonomic nervous system activity of non-pregnant women and pregnant women. 99 disease-free pregnant women and 27 non-pregnant women from W Hospital participated in the study. The acquired HRV signals were used by the program to perform time domain analysis and frequency domain analysis. The measured values were statistically analyzed for differences between pregnancy periods through a one-way ANOVA. In the results, SDNN and RMSSD in time domain analysis had significantly higher results in early pregnancy and non-pregnant women compared to mid- and late pregnancy. In frequency domain analysis, LF and HF had significantly higher values for pregnancy and non-pregnancy compared to midand late-term, but there was no significant difference between VLF and LF/HF. his means that as pregnancy progresses, the ability to control autonomous nerves decreases in the middle and late stages of pregnancy and increases physical fatigue and mental fatigue. Therefore, the longer the pregnancy period, the more special care is needed to maintain mental and physical stability of pregnant women.

• The Journal of Korean Obstetrics and Gynecology
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• v.34 no.2
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• pp.31-47
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• 2021

Objectives: This study aimed to report the effectiveness and outcome on the prognosis of pregnancy of traditional Korean medicine treatment for inpatients who had a traffic accident during pregnancy. Methods: The study is conducted by analyzing the medical records of hospitalized patients in a Korean medicine hospital. Seventy-six pregnant patients who got into car accidents from March 2015 to February 2020 were included. We performed statistical analysis by using Statistical Package for the Social Sciences(SPSS) ver. 25.0. To verify the effect of traditional Korean medicine treatment for traffic accidents during pregnancy, we analyzed improvement of symptoms. Also, we analyzed the prognosis of pregnancy and signs of premature birth or miscarriage during treatment to verify the applicability of traditional Korean medicine treatment for traffic accidents during pregnancy. Results: Among the symptoms of pain, there was a statistically significant decrease in lower back pain, post neck pain, headache, pelvic pain, knee pain, lower limb pain, wrist pain, and upper limb pain. Other systemic symptoms showed statistically significant improvement in nausea, abdominal pain, dizziness, and lower limb numbness. All confirmed cases reported normal pregnancy maintenance and delivery, and no miscarriage was reported. Two cases that showed signs of premature birth or miscarriage during treatment were unrelated or unclear with traditional Korean medicine treatment. Conclusions: Traditional Korean medicine treatment is effective and applicable for pregnant women injured by traffic accidents. Further studies are needed to identify the effectiveness and safety of traditional Korean medicine treatment for the sequelae of traffic accidents during pregnancy.