記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background: Posttraumatic stress symptoms (PTSS) after childbirth may affect mother-infant bonding. This study examined the relationship between aspects of PTSS after childbirth and bonding failure for mothers at 1 month and 4 months after delivery.

Methods: This longitudinal study surveyed 130 mothers at 1 month (T1) and 4 months (T2) after delivery. We performed multiple regression analysis with the Postpartum Bonding Questionnaire (PBQ) as the dependent variable and the Impact of Event Scale-Revised (IES-R), Edinburgh Postnatal Depression Scale (EPDS), Relationship Questionnaire (RQ), Family Adaptation, Partnership, Growth, Affection, and Resolve score (F.APGAR), and demographic data as independent variables.

Results: The rate of mothers with an IES-R score of ≥ 25 was 6.2% at T1 and 3.8% at T2. The IES-R and the EPDS were relevant factors for the PBQ at T1. The IES-R was not a relevant factor, but the EPDS was a relevant factor for the PBQ at T2. The IES-R at T1 was not a predictor for the PBQ at T2. The PBQ at T1 was the largest predictor for the PBQ at T2, when compared with the EPDS, F.APGAR, and dismissive attachment pattern (RQ) at T1.

Conclusions: PTSS after childbirth had a strong influence on bonding failure at T1. However, the important factor affecting bonding failure was not PTSS after childbirth, but depression at T2. If PTSS after childbirth are accompanied by depression at T2, bonding failure may be affected. Bonding failure affected by PTSS after childbirth at T1 could affect bonding failure at T2. Health professionals should assess the degree of PTSS after childbirth and start to care for mothers at T1.

Keywords: Bonding failure; Japanese mother; Postpartum; Posttraumatic stress disorder after childbirth; Posttraumatic stress symptoms after childbirth.

DOI： 10.1186/s12884-020-03099-0.

記述言語：英語   掲載種別：研究論文（学術雑誌）  

Objective: The purpose of this study was to develop the Japanese version of the Postpartum Bonding Questionnaire (PBQ) to gather data on Japanese mothers for comparison with other cultures and to examine the scale structure of the PBQ among Japanese mothers. Methods: We administered the PBQ to a cross-section of 244 mothers 4. weeks after delivery and again 2. weeks later to 199 mothers as a retest to examine reliability. We used exploratory factor analysis to evaluate the factor structure of the PBQ. Correlations with the Mother-to-Infant Bonding Scale (MIBS), the Maternal Attachment Inventory (MAI), Edinburgh Postnatal Depression Scale (EPDS), and sociodemographic variables were calculated for validation. Results: The 14-item version of the PBQ extracted by exploratory analysis consisted of four factors: 'impaired bonding', 'rejection and anger', 'anxiety about care', and 'lack of affection'. We found significant correlations of the total scores of the PBQ and the 14-item version of the PBQ positively with the MIBS and negatively with the MAI. Moderate significant correlations with total scores were also found with the EPDS. Total scores for primiparous and depressed mothers were higher than those for multiparous mothers and mothers without depression. Conclusion: The results of this study demonstrated the reliability and validity of the PBQ and the 14-item version of the PBQ in Japanese mothers 4. weeks after delivery.

DOI： 10.1016/j.jpsychores.2015.02.008

記述言語：日本語   掲載種別：研究論文（学術雑誌）  

記述言語：英語   出版者・発行元：Nursing and Health Sciences  

Inadequate gestational weight gain (GWG) is associated with birth weight and premature birth and is a primary problem in Asia, particularly in Japan. This study aimed to identify the risk factors associated with inadequate GWG, focusing on women's target GWG and advised GWG by healthcare professionals. A questionnaire for women in their second trimester inquired about their target GWG and advice regarding GWG by healthcare professionals. Of the 626 participants, 52.6% were classified in the inadequate GWG group. Inadequate GWG was associated with a prepregnancy body mass index (BMI) < 18.5 kg/m² and weight below the prepregnancy weight in the second trimester. Among the multiparas, inadequate GWG was associated with an individual target GWG below the guideline, with no advice from healthcare professionals, and with an advised GWG below the guideline. Among the primiparas, there were no significant differences in the individual targets or advised GWG. Healthcare professionals must understand the latest guidelines regarding GWG and apply them when advising women. The importance of preconception care in achieving a BMI of at least 18.5 kg/m² before pregnancy is also suggested.

DOI： 10.1111/nhs.70047

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記述言語：英語   出版者・発行元：Japan Journal of Nursing Science  

Aim: To determine the effect of maternal egg consumption during lactation on the development of egg allergies in 12-month-old infants. We hypothesized that infants whose mothers consume larger amounts of eggs during the early lactation period acquire oral immune tolerance and are less likely to develop egg allergies at 12 months. Methods: This study was a part of the Japan Pregnancy Eating and Activity Cohort Study. Mothers answered questionnaires on egg consumption, breastfeeding rates at 1 month, infants' eczema at 6 months, and the development of egg allergies among infants at 12 months. In order to assess the actual impact of maternal egg consumption on infants' egg allergy development, breastfeeding-dependent egg consumption was calculated at 1 month by multiplying maternal egg consumption at 1 month with the breastfeeding rates at the same time. Logistic regression analysis was performed to examine the potential risk and protective factors. Results: Data from 420 infants were analyzed, of whom 27 had egg allergies at 12 months. No significant impact of breastfeeding-dependent egg consumption was observed on infants' egg allergy development at 12 months. However, infants with eczema at 6 months showed a greater risk of developing an egg allergy at 12 months (adjusted odds ratio, 3.59; 95% confidence interval, 1.59–8.13). Conclusion: The results suggest that breastfeeding-dependent egg consumption at 1 month did not contribute to sufficient oral immune tolerance in 12-month-old infants. Eczema at 6 months significantly impacted the development of an egg allergy, emphasizing the importance of preventing cutaneous exposure to egg allergens.

DOI： 10.1111/jjns.12631

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記述言語：英語   出版者・発行元：(公社)日本看護科学学会  

記述言語：英語   出版者・発行元：一般社団法人 日本助産学会  

<p><b>Purpose</b></p><p>The impact of teleworking on physical activity (PA) during pregnancy has not been fully elucidated. This study aimed to describe the PA level of pregnant women according to their employment and teleworking availability and evaluate the magnitude of the association between PA and these working availability in the second trimester.</p><p><b>Methods</b></p><p>This cross-sectional study was part of The Japan Pregnancy Eating and Activity Cohort Study conducted in four prefectures. Participants were recruited from March 2020 to October 2022, including the coronavirus disease 2019 pandemic. PA was assessed using the Japanese version of the self-administered Pregnancy Physical Activity Questionnaire 2020. Participants were classified as non-workers, teleworkers, and on-site workers. The data of 864 participants were stratified by parity, and analyzed via analysis of covariance.</p><p><b>Results</b></p><p>Teleworkers performed significantly more total PA than non-workers, regardless of parity. In terms of intensity and PA type, teleworkers and on-site workers were more sedentary and performed significantly more occupational PA and less household/caregiving PA than non-workers among primiparas. Only primiparous teleworkers performed significantly less light PA, with no significant difference in moderate PA, than non-workers. Among multiparas, teleworkers and on-site workers were more sedentary and performed significantly more occupational PA and less light PA and household/caregiving PA. Compared to non-workers, only multipara teleworkers showed no significant difference in moderate PA.</p><p><b>Conclusion</b></p><p>Teleworkers performed more total PA, sedentary activity, and less light PA than non-workers, like on-site workers. Increased sedentary time is related to higher risk of pregnancy complications and unfavorable birth outcomes. Therefore, healthcare professionals may need to encourage pregnant teleworkers to replace sedentary with PA of any intensity as much as possible.</p>

DOI： 10.3418/jjam.jjam-2024-0049

CiNii Research

記述言語：英語   出版者・発行元：Plos One  

In this study, we aimed to determine the association of premenstrual syndrome (PMS) or premenstrual dysphoric disorder (PMDD) with maternal antenatal depression. This cross-sectional, online questionnaire-based observational study included 212 pregnant women between gestational ages 24 weeks and 28 weeks 6 days. PMS and PMDD were measured using the PMDD Scale, and maternal antenatal depression was evaluated using the Edinburgh Postnatal Depression Scale. Baseline characteristics, clinical information, and associated factors were also included in the questionnaire. Analyses were conducted using a binomial logistic regression model with Edinburgh Postnatal Depression Scale positivity (maternal antenatal depression) as the dependent variable. Having “PMDD” (odds ratio: 3.54 [95% confidence interval: 1.26–9.93], p = 0.02) and “PMS” (odds ratio 2.31 [1.10–4.87], p = 0.03) on the PMDD rating scale were significantly associated with maternal antenatal depression. Therefore, our results suggest that screening for a history of PMS or PMDD during the early antepartum interview may aid mental health care and prevent perinatal depression during the early stages of pregnancy.

DOI： 10.1371/journal.pone.0315628

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記述言語：英語   出版者・発行元：(一社)日本助産学会  

記述言語：英語  

DOI： 10.2196/57128

PubMed

記述言語：英語   出版者・発行元：Nutrients  

Gestational anemia (GA) is a global health concern with a remarkably high prevalence in Japan, which is associated with various maternal and neonatal outcomes. This study aimed to explore whether GA and non-anemic iron deficiency (NAID) during the third trimester is associated with maternal characteristics, nutrient intake, low birth weight (LBW), and preterm birth. Participants were categorized into GA, NAID, and normal groups, based on serum ferritin and hemoglobin levels. Nutrient intake was assessed using the Brief Diet History Questionnaire. Data from 317 pregnant women were analyzed, including 110 (34.7%), 151 (47.6%), and 56 (17.6%) women in the GA, NAID, and normal groups, respectively. Factors associated with GA included being multipara (p < 0.001) and not taking any type of iron supplements in the third trimester (p = 0.043). The normal group had a significantly higher proportion of preterm birth and LBW than the GA and NAID groups. The GA group had a significantly higher energy intake than the normal group (p = 0.044). Overall, energy and micronutrient intake were significantly below the estimated average requirement in the dietary reference intakes for Japanese. Health care professionals need to consider nutritional advice that can prevent GA by focusing on overall micronutrients, not just energy intake.

DOI： 10.3390/nu16030418

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PubMed

記述言語：日本語   掲載種別：研究論文（学術雑誌）  

Gestational anemia (GA) is a global health concern with a remarkably high prevalence in Japan, which is associated with various maternal and neonatal outcomes. This study aimed to explore whether GA and non-anemic iron deficiency (NAID) during the third trimester is associated with maternal characteristics, nutrient intake, low birth weight (LBW), and preterm birth. Participants were categorized into GA, NAID, and normal groups, based on serum ferritin and hemoglobin levels. Nutrient intake was assessed using the Brief Diet History Questionnaire. Data from 317 pregnant women were analyzed, including 110 (34.7%), 151 (47.6%), and 56 (17.6%) women in the GA, NAID, and normal groups, respectively. Factors associated with GA included being multipara (p < 0.001) and not taking any type of iron supplements in the third trimester (p = 0.043). The normal group had a significantly higher proportion of preterm birth and LBW than the GA and NAID groups. The GA group had a significantly higher energy intake than the normal group (p = 0.044). Overall, energy and micronutrient intake were significantly below the estimated average requirement in the dietary reference intakes for Japanese. Health care professionals need to consider nutritional advice that can prevent GA by focusing on overall micronutrients, not just energy intake.

DOI： 10.3390/nu16030418.

記述言語：英語   出版者・発行元：一般社団法人 日本助産学会  

<p><b>Objectives</b></p><p>This study aimed to reveal the current status and factors related to preconception care (PCC) health literacy among men visiting an infertility clinic in Japan.</p><p><b>Methods</b></p><p>This cross-sectional study was conducted between September and November 2022 at a clinic specializing in infertility treatment in Fukuoka Prefecture, Japan. Three hundred leaflets with website addresses and QR codes linked to a web-based questionnaire were placed in the waiting rooms of the research facility. The participants were asked to complete a web-based questionnaire and participate in the study. The PCC Health Literacy Scale was used to measure PCC health literacy in men. A multiple logistic regression analysis was performed to identify factors related to PCC health literacy.</p><p><b>Results</b></p><p>Seventy-seven men completed the questionnaire. The mean PCC health literacy score was 38.8 ± 6.5 points. This mean score was used as the cut-off value according to which the participants were divided into two groups: high and low PCC health literacy. The men who visited the infertility outpatient clinic for the first time and who identified “kind of being tiresome” as a reason for not visiting an infertility clinic had a significant risk of low PCC health literacy.</p><p><b>Conclusion</b></p><p>This study revealed factors related to PCC health literacy among men seeking care at an infertility clinic for the first time. Future research should expand the targets of the survey, such as medical facilities specializing in infertility nationwide, and include men in the pre-perinatal period rather than solely including men who visit infertility clinics.</p>

DOI： 10.3418/jjam.jjam-2024-0017

CiNii Research

記述言語：日本語   掲載種別：研究論文（学術雑誌）  

This study examined the association of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) intake during the second trimester with low birth weight (LBW) in pregnant Japanese women and was conducted in conjunction with the Japan Pregnancy Eating and Activity Cohort (J-PEACH) study. The study included 504 pregnant women from four Japanese sites. During the second trimester (14-27 weeks), the participants filled out a self-administered questionnaire assessing the frequency of DHA and EPA supplement intake in the past month, as well as a brief-type self-administered diet history questionnaire (BDHQ). The analysis involved data from two time points: responses to the BDHQ and infant data at birth. In total, 471 and 33 participants were classified into the normal birth weight and LBW groups, respectively. The participants were divided into high-, medium-, and low-intake groups based on their total dietary and EPA and DHA supplementary intakes. The Cochran-Armitage trend test was used to analyze the data; the prevalence of LBW was higher in the low-intake group (p = 0.04). There was no significant sex-based trend (p = 0.27 and p = 0.35). In Japanese women, low dietary and supplementary EPA and DHA intake until the second trimester were risk factors for LBW.

DOI： 10.3390/nu15224831.

記述言語：英語   出版者・発行元：Nutrients  

This study examined the association of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) intake during the second trimester with low birth weight (LBW) in pregnant Japanese women and was conducted in conjunction with the Japan Pregnancy Eating and Activity Cohort (J-PEACH) study. The study included 504 pregnant women from four Japanese sites. During the second trimester (14–27 weeks), the participants filled out a self-administered questionnaire assessing the frequency of DHA and EPA supplement intake in the past month, as well as a brief-type self-administered diet history questionnaire (BDHQ). The analysis involved data from two time points: responses to the BDHQ and infant data at birth. In total, 471 and 33 participants were classified into the normal birth weight and LBW groups, respectively. The participants were divided into high-, medium-, and low-intake groups based on their total dietary and EPA and DHA supplementary intakes. The Cochran–Armitage trend test was used to analyze the data; the prevalence of LBW was higher in the low-intake group (p = 0.04). There was no significant sex-based trend (p = 0.27 and p = 0.35). In Japanese women, low dietary and supplementary EPA and DHA intake until the second trimester were risk factors for LBW.

DOI： 10.3390/nu15224831

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記述言語：日本語   出版者・発行元：一般社団法人 日本DOHaD学会  

DOI： 10.51067/dohad.11.3_189a

CiNii Research

記述言語：英語   出版者・発行元：Nutrients  

Nausea and vomiting in pregnancy (NVP) is a common symptom. Although the influence of NVP during the first trimester on dietary intake and birth outcomes has been revealed, no study has focused on NVP during the second trimester. This study aimed to reveal whether NVP severity during the second trimester is associated with dietary intake, gestational weight gain (GWG), birth weight, and delivery week. Participants completed a questionnaire at 18–27 gestational weeks. NVP severity was assessed using the modified Pregnancy-Unique Quantification of Emesis and Nausea scale in the questionnaire. Dietary habits were assessed using a brief-type diet history questionnaire. In total, 825 responses were analyzed: 202 (24.5%), 135 (16.4%), and 8 (1.0%) women reported mild, moderate, and severe NVP, respectively; 480 (58.2%) women did not have NVP during the second trimester. No significant association was observed between energy and nutrient intake and no/mild and moderate/severe NVP. Women with moderate/severe NVP had lower total GWG than those with no/mild NVP (p = 0.007). There was no significant difference in low birth weight and preterm birth rates (p = 0.246 and p = 0.604). This is the first study to investigate whether NVP severity during the second trimester is associated with dietary intake and birth outcomes.

DOI： 10.3390/nu15153383

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記述言語：英語   出版者・発行元：Journal of Cancer Research and Therapeutics  

Objectives: The objective of the study is to analyze the difference in target dose distributions between Acuros XB (AXB) and collapsed cone convolution (CCC)/superposition and the impact of the tumor locations in clinical cases of stereotactic ablative body radiotherapy (SABR) for lung cancer. Materials and Methods: Ninety-six patients underwent SABR for lung cancers Kyushu University Hospital from 2014 to 2017. We recalculated clinical plans originally calculated by AXB using CCC with the identical monitor units (MUs) and beam arrangements. We calculated the following dosimetric parameters: maximum dose (Dmax), minimum dose (Dmin), homogeneity index (HI), conformity index (CI), and D95 of the planning target volume (PTV). We investigated the difference between the results of two calculations and examined the impact of tumor location. Moreover, we determined the target central dose using a thorax phantom and assessed the calculation accuracy of the two algorithms for each fraction. Results: CCC significantly overestimated the dose to PTV, compared to AXB (P < 0.05). The mean differences of Dmax, Dmin, and D95 were 1.17, 1.95, and 1.85 Gy, respectively. The mean differences of HI and CI were 0.02 and - 0.06. Dmin, HI, and D95 had significant correlations with the tumor location, and the difference was greater when the PTV was included the chest wall (P < 0.05). The discrepancy between the calculated and irradiated dose was 2.48% for CCC, whereas it was 0.14% for AXB. Conclusions: We demonstrated that CCC significantly overestimated the dose to PTV relative to AXB in clinical cases of lung SABR.

DOI： 10.4103/jcrt.jcrt_1740_21

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記述言語：英語   出版者・発行元：Springer  

Background: / Sleep problems and irritable temperaments are common among infants with autism spectrum disorder (ASD). The prospective association between such sleep problems and irritable temperaments and ASDs needs to be determined for elucidating the mechanism and exploring the future intervention study. Thus, in this study, we investigated whether sleep quality and temperament in 1-month-old infants are associated with the onset of ASD in 3-year-old children. We also assessed its sex-stratified associations. / Methods: / We conducted a longitudinal study using data from 69,751 mothers and infants from a large-cohort study, the Japan Environment and Children’s Study. We examined the prospective association between infant sleep quality and temperament at 1 month of age and ASD diagnosis by 3 years of age. / Results: / Here we show infants with longer daytime sleep have a higher risk of later ASD than those with shorter daytime sleep (risk ratio [RR]: 1.33, 95% confidence interval [CI]: 1.01–1.75). Infants who experienced intense crying have a higher risk of ASD than those who did not (RR: 1.31, 95% CI: 1.00–1.72). There is a difference in sex in the association between a bad mood and later ASD. In particular, female infants experiencing bad moods have a higher risk of ASD than others (RR: 3.59, 95% CI: 1.91–6.75). / Conclusions: / The study findings provide important information for future intervention to reduce the risk of future ASD.

CiNii Research

記述言語：英語   出版者・発行元：Communications Medicine  

Background: Sleep problems and irritable temperaments are common among infants with autism spectrum disorder (ASD). The prospective association between such sleep problems and irritable temperaments and ASDs needs to be determined for elucidating the mechanism and exploring the future intervention study. Thus, in this study, we investigated whether sleep quality and temperament in 1-month-old infants are associated with the onset of ASD in 3-year-old children. We also assessed its sex-stratified associations. Methods: We conducted a longitudinal study using data from 69,751 mothers and infants from a large-cohort study, the Japan Environment and Children’s Study. We examined the prospective association between infant sleep quality and temperament at 1 month of age and ASD diagnosis by 3 years of age. Results: Here we show infants with longer daytime sleep have a higher risk of later ASD than those with shorter daytime sleep (risk ratio [RR]: 1.33, 95% confidence interval [CI]: 1.01–1.75). Infants who experienced intense crying have a higher risk of ASD than those who did not (RR: 1.31, 95% CI: 1.00–1.72). There is a difference in sex in the association between a bad mood and later ASD. In particular, female infants experiencing bad moods have a higher risk of ASD than others (RR: 3.59, 95% CI: 1.91–6.75). Conclusions: The study findings provide important information for future intervention to reduce the risk of future ASD.

DOI： 10.1038/s43856-023-00314-9

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記述言語：日本語   掲載種別：研究論文（学術雑誌）  

Background: Sleep problems and irritable temperaments are common among infants with autism spectrum disorder (ASD). The prospective association between such sleep problems and irritable temperaments and ASDs needs to be determined for elucidating the mechanism and exploring the future intervention study. Thus, in this study, we investigated whether sleep quality and temperament in 1-month-old infants are associated with the onset of ASD in 3-year-old children. We also assessed its sex-stratified associations.

Methods: We conducted a longitudinal study using data from 69,751 mothers and infants from a large-cohort study, the Japan Environment and Children's Study. We examined the prospective association between infant sleep quality and temperament at 1 month of age and ASD diagnosis by 3 years of age.

Results: Here we show infants with longer daytime sleep have a higher risk of later ASD than those with shorter daytime sleep (risk ratio [RR]: 1.33, 95% confidence interval [CI]: 1.01-1.75). Infants who experienced intense crying have a higher risk of ASD than those who did not (RR: 1.31, 95% CI: 1.00-1.72). There is a difference in sex in the association between a bad mood and later ASD. In particular, female infants experiencing bad moods have a higher risk of ASD than others (RR: 3.59, 95% CI: 1.91-6.75).

Conclusions: The study findings provide important information for future intervention to reduce the risk of future ASD.

DOI： 10.1038/s43856-023-00314-9.

記述言語：日本語   掲載種別：研究論文（学術雑誌）  

Nausea and vomiting in pregnancy (NVP) is a common symptom. Although the influence of NVP during the first trimester on dietary intake and birth outcomes has been revealed, no study has focused on NVP during the second trimester. This study aimed to reveal whether NVP severity during the second trimester is associated with dietary intake, gestational weight gain (GWG), birth weight, and delivery week. Participants completed a questionnaire at 18-27 gestational weeks. NVP severity was assessed using the modified Pregnancy-Unique Quantification of Emesis and Nausea scale in the questionnaire. Dietary habits were assessed using a brief-type diet history questionnaire. In total, 825 responses were analyzed: 202 (24.5%), 135 (16.4%), and 8 (1.0%) women reported mild, moderate, and severe NVP, respectively; 480 (58.2%) women did not have NVP during the second trimester. No significant association was observed between energy and nutrient intake and no/mild and moderate/severe NVP. Women with moderate/severe NVP had lower total GWG than those with no/mild NVP (p = 0.007). There was no significant difference in low birth weight and preterm birth rates (p = 0.246 and p = 0.604). This is the first study to investigate whether NVP severity during the second trimester is associated with dietary intake and birth outcomes.

DOI： 10.3390/nu15153383.

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出版者・発行元：東京医学社  

DOI： 10.24479/peri.0000000026

CiNii Research

記述言語：日本語   出版者・発行元：(株)東京医学社  

オンラインでの両親学級および母親学級の受講状況や受講満足度を調査し、有用性とその課題について検討した。対象は全国の妊娠中期以降に満20歳以上であった単胎妊娠者で、無記名自記式のWebアンケート調査を実施した結果、回答数は1013名であった。そのうち、対象基準に合った1002名(平均31.0歳、平均妊娠週数21.7週、初産80.1%)を分析対象とした。全体の妊婦1002名における両親学級および母親学級の受講状況は、「対面でのみ受講した」286名(28.5%)、「オンラインでのみ受講した」71名(7.0%)、「両方で受講した」80名(8.0%)、「どちらも受講していない」565名(56.4%)であった。全体の妊婦1002名のうち、オンラインで両親学級または母親学級が実施されているところがあることを知っていた妊婦は653名(65.2%)、実際にオンラインで両親学級または母親学級を受講した妊婦は151名(15.1%)であった。オンラインで受講した妊婦151名のうち、オンラインでの受講が、「役に立った」と回答した妊婦は135名(89.3%)、「不安が解消された」と回答した妊婦は117名(77.4%)であった。対面とオンラインの両方で受講した群とオンラインでのみ受講した群を比較した結果、後者において「オンライン両親学級または母親学級があればまた受けたい」と回答した妊婦の割合が有意に高い結果が示された。対面とオンラインの両方で両親学級または母親学級を受講した経験がある妊婦80名のうち、対面受講を好む傾向を示したのは50名(62.5%)、オンライン受講を好む傾向を示したのは6名(7.5%)であった。対面を好む傾向の理由としては、「実際に顔を合わせて話を開きたい」が68.8%ともっとも多かった。

記述言語：英語   出版者・発行元：PLoS ONE  

Pregnancy and postpartum are periods in which women develop psychosocially. However, becoming a mother is stressful, and mood disorders related to anxiety and depression often develop. In recent years, research on interoception—sensations related to the body’s internal physiological state—has attracted attention. Interoception has multifaceted characteristics. It involves directly perceiving information in the body while also inferring and evaluating it. In this study, we examined interoception, anxiety, and depression in Japanese pregnant women. Empirical examinations and questionnaire surveys were used to measure interoception in 32 pregnant women not at high risk of pregnancy. A Japanese adaption of the Multidimensional Assessment of Interoceptive Awareness was used to measure interoceptive sensibility, and a heartbeat counting task performance was used to measure interoceptive accuracy. Anxiety and depression were measured using the Japanese versions of the State-Trait Anxiety Inventory and the Edinburgh Postnatal Depression Scale, respectively. A correlation analysis was performed between interoception, anxiety and depression and between differences between sensibility and accuracy of interoception, anxiety and depression. We revealed that interoceptive sensibility and differences between sensibility and accuracy of interoception were associated with anxiety. Based on results of this pilot study, it is necessary to investigate using longitudinal studies whether interoception might be an effective predictor tool for early detection of anxiety during pregnancy and postpartum.

DOI： 10.1371/journal.pone.0267507

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記述言語：日本語   掲載種別：研究論文（学術雑誌）