Pregnancy and Birth Survey After the Great East Japan Earthquake and Fukushima Daiichi Nuclear Power Plant Accident in Fukushima Prefecture

Fujimori, Keiya; Kyozuka, Hyo; Yasuda, Shun; Goto, Aya; Yasumura, Seiji; M, Ota; Ohtsuru, Akira; Nomura, Yasuhisa; Hata, Kenichi; Suzuki, Kota; Nakai, Asami; SATO, MIEKO; Matsui, Shiro; Nakano, Kyoko; Abe, Masafumi

doi:10.5387/fms.2014-9

Cited by 56 publications

(73 citation statements)

References 20 publications

(13 reference statements)

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“…However, there is limited understanding of maternal and perinatal health following this disaster. There has been mixed evidence for immediate post-disaster changes in birth outcomes; some previous studies have found no increased proportions of low birthweight or preterm births in areas affected by the earthquake and tsunami [29], or in areas additionally affected by the nuclear disaster [30,31,32], in the first year post-disaster. However, there have also been findings of a slight increase in low birthweight neonates to women that had been 28–36 weeks pregnant at the time of the earthquake, in earthquake- and tsunami-affected areas [29], and increased proportions of low birthweight and preterm birth to women who conceived within six months post-disaster in areas affected by the Fukushima nuclear disaster [33].…”

Section: Introductionmentioning

confidence: 99%

Birth Outcomes after the Fukushima Daiichi Nuclear Power Plant Disaster: A Long-Term Retrospective Study

Leppold

Nomura

Sawano

et al. 2017

IJERPH

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Changes in population birth outcomes, including increases in low birthweight or preterm births, have been documented after natural and manmade disasters. However, information is limited following the 2011 Fukushima Daiichi Nuclear Power Plant Disaster. In this study, we assessed whether there were long-term changes in birth outcomes post-disaster, compared to pre-disaster data, and whether residential area and food purchasing patterns, as proxy measurements of evacuation and radiation-related anxiety, were associated with post-disaster birth outcomes. Maternal and perinatal data were retrospectively collected for all live singleton births at a public hospital, located 23 km from the power plant, from 2008 to 2015. Proportions of low birthweight (<2500 g at birth) and preterm births (<37 weeks gestation at birth) were compared pre- and post-disaster, and regression models were conducted to assess for associations between these outcomes and evacuation and food avoidance. A total of 1101 live singleton births were included. There were no increased proportions of low birthweight or preterm births in any year after the disaster (merged post-disaster risk ratio of low birthweight birth: 0.98, 95% confidence interval (CI): 0.64–1.51; and preterm birth: 0.68, 95% CI: 0.38–1.21). No significant associations between birth outcomes and residential area or food purchasing patterns were identified, after adjustment for covariates. In conclusion, no changes in birth outcomes were found in this institution-based investigation after the Fukushima disaster. Further research is needed on the pathways that may exacerbate or reduce disaster effects on maternal and perinatal health.

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Section: Introductionmentioning

confidence: 99%

Birth Outcomes after the Fukushima Daiichi Nuclear Power Plant Disaster: A Long-Term Retrospective Study

Leppold

Nomura

Sawano

et al. 2017

IJERPH

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“…Therefore, in the present study, we selected histological CAM cases treated in two tertiary fetal medicine units led by obstetricians with equivalent training, and using a standardized method of pathological examination of the placenta and cord. Our study also showed a higher prevalence of fetal anomalies (9.1%) than that in the entire Fukushima Prefecture (2.7%) during the same period (Fujimori et al 2014). The difference in prevalence may be a result of the study design and selection bias from tertiary fetal medicine units.…”

Section: Discussionmentioning

confidence: 60%

Histological Chorioamnionitis as a Risk Factor for Preterm Birth without Disturbing Fetal Heart Rate: A Case-Control Study

Kyozuka

Yasuda

Hiraiwa

et al. 2017

Tohoku J. Exp. Med.

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Histological chorioamnionitis (CAM) is one form of intrauterine inflammation that is often seen in cases of preterm birth and are usually confirmed based on pathological examination after delivery. Histological CAM is related to significant neonatal morbidity and mortality; however, its etiology is unknown. The objective of this study was to determine the risk factors for histological CAM, using medical background, including fetal heart rate (FHR) patterns in preterm birth cases. The preterm birth cases delivered between 28 and 36 weeks were categorized into two groups according to the presence of histological CAM. Ninety-five preterm infants were included: 48 infants without histological CAM and 47 cases with histological CAM. The odds ratio for histological CAM was adjusted for FHR patterns, gestational age, and delivery mode (vaginal delivery or Caesarean section). Logistic regression analysis showed that vaginal delivery and gestational age were associated with histological CAM (odds Ratio [OR]: 3.1, 95% confidence interval [CI]: 1.0-9.4, p < 0.05, and OR: 0.8, 95% CI: 0.6-0.9, p < 0.05, respectively). However, there were no specific FHR patterns associated with histological CAM. Our study indicates that in preterm birth cases, histological CAM is not related to any specific FHR pattern. However, labor uterine contraction and immature gestational age at the delivery are related to histological CAM. These results may provide better delivery management methods for preterm birth cases.

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“…In addition to standard care needed for this vulnerable group of women, healthcare professionals should improve their communication skills regarding the effects of radiation on pregnancy, which mothers were particularly worried about. It would be important to communicate local data, such as that the Pregnancy and Birth Survey of the Fukushima Health Management reported no significant radiation impact on pregnancy outcomes after the Great East Japan Earthquake and Fukushima NPP accident 8) . This report has the following limitations.…”

Section: Discussionmentioning

confidence: 99%

“…The Pregnancy and Birth Survey was included in the Fukushima Health Management Survey as described in a previous report 7,8) . Briefly, the subjects of this investigation were women receiving a maternity health record book from Fukushima prefecture from August 1 2010 to July 31 2011.…”

Section: Methodsmentioning

confidence: 99%

Immediate Mental Consequences of the Great East Japan Earthquake and Fukushima Nuclear Power Plant Accident on Mothers Experiencing Miscarriage, Abortion, and Stillbirth: The Fukushima Health Management Survey

Yoshida-Komiya

Goto

Yasumura³

et al. 2015

FJMS

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: Background : The Fukushima Pregnancy and Birth Survey was launched to monitor pregnant mothers' health after the Great East Japan Earthquake and Fukushima Daiichi Nuclear Power Plant (NPP) accident. Several lines of investigations have indicated that a disaster impacts maternal mental health with childbirth. However, there is no research regarding mental health of mothers with fetal loss after a disaster. In this report, we focus on those women immediately after the Great East Japan Earthquake and Fukushima NPP accident and discuss their support needs. Materials and Methods : Data regarding 61 miscarriages, 5 abortions, and 22 stillbirths were analyzed among the women who were pregnant at the time of the accident in the present study. We used a two -item case -finding instrument for depression screening, and compared the childbirth group with the fetal loss groups. We also analyzed mothers' opinions written as free -form text. Results : Among the three fetal loss groups, the proportion of positive depression screens was significantly higher in the miscarriage and stillbirth group than in the childbirth group. Mothers' opinions were grouped into six categories, with pregnancy -related items being most common, especially in the miscarriage and stillbirth groups. Conclusion : A higher proportion of Fukushima mothers with fetal loss, especially those with miscarriage and stillbirth, had depressive symptoms compared to those who experienced childbirth. Health care providers need to pay close attention to this vulnerable group and respond to their concerns regarding the effects on their fertility.

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Pregnancy and Birth Survey After the Great East Japan Earthquake and Fukushima Daiichi Nuclear Power Plant Accident in Fukushima Prefecture

Cited by 56 publications

References 20 publications

Birth Outcomes after the Fukushima Daiichi Nuclear Power Plant Disaster: A Long-Term Retrospective Study

Birth Outcomes after the Fukushima Daiichi Nuclear Power Plant Disaster: A Long-Term Retrospective Study

Histological Chorioamnionitis as a Risk Factor for Preterm Birth without Disturbing Fetal Heart Rate: A Case-Control Study

Immediate Mental Consequences of the Great East Japan Earthquake and Fukushima Nuclear Power Plant Accident on Mothers Experiencing Miscarriage, Abortion, and Stillbirth: The Fukushima Health Management Survey

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