No significant changes in preterm birth, low‐birth‐weight, and small‐for‐gestational‐age infants during the first year of the COVID‐19 pandemic in a rural area in Japan
Aims To evaluate the coronavirus disease 2019 pandemic's impact on pregnancy outcomes in a Japanese rural area. Methods This retrospective study focused on the periods between March 1, 2020, and February 28, 2021 (during the coronavirus disease 2019 pandemic), and January 1, 2017, and December...
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| Veröffentlicht in: | The journal of obstetrics and gynaecology research 2023-01, Vol.49 (1), p.175-181 |
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| container_title | The journal of obstetrics and gynaecology research |
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| creator | Maki, Yohei Tokuda, Atsuko Kino, Emi Yamauchi, Aya Ohtsuka, Teruo Terao, Kiminari |
| description | Aims
To evaluate the coronavirus disease 2019 pandemic's impact on pregnancy outcomes in a Japanese rural area.
Methods
This retrospective study focused on the periods between March 1, 2020, and February 28, 2021 (during the coronavirus disease 2019 pandemic), and January 1, 2017, and December 31, 2019. Singleton pregnancies delivered at or after 22 gestational weeks were included. Preterm delivery, low‐birth‐weight, and small‐for‐gestational‐age infant rates during the pandemic were compared to those in the preceding 3 years.
Results
In the pandemic and control groups, 1650 and 5762 pregnant women were included, respectively. Two pregnant women with coronavirus disease 2019 were identified (0.1%). There were no significant intergroup differences in preterm delivery rates (control, 4% vs. pandemic, 3.3%; difference: −0.7% [95% confidence interval: −1.7%–0.3%], p = 0.22). The low‐birth‐weight rate tended to decrease; however, the difference was insignificant (7.9% vs. 6.5%; difference: −1.4% [95% confidence interval: −2.8–0%], p = 0.06). The small‐for‐gestational‐age infant rate was significantly lower in the pandemic than in the control group (7.3% vs. 5.2%; difference: −2.1% [95% confidence interval: −3.3–0.8%], p |
| doi_str_mv | 10.1111/jog.15446 |
| format | Article |
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To evaluate the coronavirus disease 2019 pandemic's impact on pregnancy outcomes in a Japanese rural area.
Methods
This retrospective study focused on the periods between March 1, 2020, and February 28, 2021 (during the coronavirus disease 2019 pandemic), and January 1, 2017, and December 31, 2019. Singleton pregnancies delivered at or after 22 gestational weeks were included. Preterm delivery, low‐birth‐weight, and small‐for‐gestational‐age infant rates during the pandemic were compared to those in the preceding 3 years.
Results
In the pandemic and control groups, 1650 and 5762 pregnant women were included, respectively. Two pregnant women with coronavirus disease 2019 were identified (0.1%). There were no significant intergroup differences in preterm delivery rates (control, 4% vs. pandemic, 3.3%; difference: −0.7% [95% confidence interval: −1.7%–0.3%], p = 0.22). The low‐birth‐weight rate tended to decrease; however, the difference was insignificant (7.9% vs. 6.5%; difference: −1.4% [95% confidence interval: −2.8–0%], p = 0.06). The small‐for‐gestational‐age infant rate was significantly lower in the pandemic than in the control group (7.3% vs. 5.2%; difference: −2.1% [95% confidence interval: −3.3–0.8%], p < 0.01). However, the interrupted time series analysis showed no significant trend.
Conclusions
There were no significant changes in the rates of preterm delivery, low‐birth‐weight infants, and small‐for‐gestational‐age infants during the pandemic's first year compared to those in the preceding 3 years. Behavioral changes, such as “stay‐at‐home” measures, may not improve pregnancy outcomes in Japan.</description><identifier>ISSN: 1341-8076</identifier><identifier>EISSN: 1447-0756</identifier><identifier>DOI: 10.1111/jog.15446</identifier><identifier>PMID: 36210176</identifier><language>eng</language><publisher>Kyoto, Japan: John Wiley & Sons Australia, Ltd</publisher><subject>Age ; Birth ; Child, Preschool ; Confidence intervals ; Coronaviruses ; COVID-19 ; COVID-19 - epidemiology ; Female ; Humans ; Infant ; Infant, Low Birth Weight ; Infant, Newborn ; Infants ; Japan - epidemiology ; low‐birth‐weight infants ; Pandemics ; Pregnancy ; Premature birth ; Premature Birth - epidemiology ; preterm delivery ; Retrospective Studies ; small‐for‐date infants ; Womens health</subject><ispartof>The journal of obstetrics and gynaecology research, 2023-01, Vol.49 (1), p.175-181</ispartof><rights>2022 Japan Society of Obstetrics and Gynecology.</rights><rights>2023 Japan Society of Obstetrics and Gynecology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3776-6010c384a8f0d2bea780b522f0be8c2ecc1b697e107928ebc844a12ddc2900403</citedby><cites>FETCH-LOGICAL-c3776-6010c384a8f0d2bea780b522f0be8c2ecc1b697e107928ebc844a12ddc2900403</cites><orcidid>0000-0002-5913-9811</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjog.15446$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjog.15446$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36210176$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Maki, Yohei</creatorcontrib><creatorcontrib>Tokuda, Atsuko</creatorcontrib><creatorcontrib>Kino, Emi</creatorcontrib><creatorcontrib>Yamauchi, Aya</creatorcontrib><creatorcontrib>Ohtsuka, Teruo</creatorcontrib><creatorcontrib>Terao, Kiminari</creatorcontrib><title>No significant changes in preterm birth, low‐birth‐weight, and small‐for‐gestational‐age infants during the first year of the COVID‐19 pandemic in a rural area in Japan</title><title>The journal of obstetrics and gynaecology research</title><addtitle>J Obstet Gynaecol Res</addtitle><description>Aims
To evaluate the coronavirus disease 2019 pandemic's impact on pregnancy outcomes in a Japanese rural area.
Methods
This retrospective study focused on the periods between March 1, 2020, and February 28, 2021 (during the coronavirus disease 2019 pandemic), and January 1, 2017, and December 31, 2019. Singleton pregnancies delivered at or after 22 gestational weeks were included. Preterm delivery, low‐birth‐weight, and small‐for‐gestational‐age infant rates during the pandemic were compared to those in the preceding 3 years.
Results
In the pandemic and control groups, 1650 and 5762 pregnant women were included, respectively. Two pregnant women with coronavirus disease 2019 were identified (0.1%). There were no significant intergroup differences in preterm delivery rates (control, 4% vs. pandemic, 3.3%; difference: −0.7% [95% confidence interval: −1.7%–0.3%], p = 0.22). The low‐birth‐weight rate tended to decrease; however, the difference was insignificant (7.9% vs. 6.5%; difference: −1.4% [95% confidence interval: −2.8–0%], p = 0.06). The small‐for‐gestational‐age infant rate was significantly lower in the pandemic than in the control group (7.3% vs. 5.2%; difference: −2.1% [95% confidence interval: −3.3–0.8%], p < 0.01). However, the interrupted time series analysis showed no significant trend.
Conclusions
There were no significant changes in the rates of preterm delivery, low‐birth‐weight infants, and small‐for‐gestational‐age infants during the pandemic's first year compared to those in the preceding 3 years. Behavioral changes, such as “stay‐at‐home” measures, may not improve pregnancy outcomes in Japan.</description><subject>Age</subject><subject>Birth</subject><subject>Child, Preschool</subject><subject>Confidence intervals</subject><subject>Coronaviruses</subject><subject>COVID-19</subject><subject>COVID-19 - epidemiology</subject><subject>Female</subject><subject>Humans</subject><subject>Infant</subject><subject>Infant, Low Birth Weight</subject><subject>Infant, Newborn</subject><subject>Infants</subject><subject>Japan - epidemiology</subject><subject>low‐birth‐weight infants</subject><subject>Pandemics</subject><subject>Pregnancy</subject><subject>Premature birth</subject><subject>Premature Birth - epidemiology</subject><subject>preterm delivery</subject><subject>Retrospective Studies</subject><subject>small‐for‐date infants</subject><subject>Womens health</subject><issn>1341-8076</issn><issn>1447-0756</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kc9u1DAQxiMEoqVw4AWQJS5Ualrb8cbOsVpKaVWxF-AaTZxJ1qskXuxEq73xCDwMT8STMNktHJDwwfPHv--T7UmS14JfClpXG99eioVS-ZPkVCilU64X-VPKMyVSw3V-kryIccO50IUwz5OTLJeCivw0-fnJs-jawTXOwjAyu4ahxcjcwLYBRww9q1wY1xes87tf338cCoo7dO16vGAw1Cz20HXUa3ygndQjjM4PMPegRfJqyDqyegpuaNm4Rta4EEe2RwjMN4fOcvX17j0JRMG2ZIq9s_MlgIUpQMcgIMz1PdDpy-RZA13EV4_xLPny4ebz8mP6sLq9W14_pDbTOk9zLrjNjALT8FpWCNrwaiFlwys0VqK1osoLjYLrQhqsrFEKhKxrKwvOFc_OkndH323w3yZ6V9m7aLHrYEA_xVJqmSlDYkno23_QjZ8C_cFM5QtTSKFm6vxI2eBjDNiU2-B6CPtS8HIeJana8jBKYt88Ok5Vj_Vf8s_sCLg6AjvX4f7_TuX96vZo-RvLAK6z</recordid><startdate>202301</startdate><enddate>202301</enddate><creator>Maki, Yohei</creator><creator>Tokuda, Atsuko</creator><creator>Kino, Emi</creator><creator>Yamauchi, Aya</creator><creator>Ohtsuka, Teruo</creator><creator>Terao, Kiminari</creator><general>John Wiley & Sons Australia, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7TO</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-5913-9811</orcidid></search><sort><creationdate>202301</creationdate><title>No significant changes in preterm birth, low‐birth‐weight, and small‐for‐gestational‐age infants during the first year of the COVID‐19 pandemic in a rural area in Japan</title><author>Maki, Yohei ; Tokuda, Atsuko ; Kino, Emi ; Yamauchi, Aya ; Ohtsuka, Teruo ; Terao, Kiminari</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3776-6010c384a8f0d2bea780b522f0be8c2ecc1b697e107928ebc844a12ddc2900403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Age</topic><topic>Birth</topic><topic>Child, Preschool</topic><topic>Confidence intervals</topic><topic>Coronaviruses</topic><topic>COVID-19</topic><topic>COVID-19 - epidemiology</topic><topic>Female</topic><topic>Humans</topic><topic>Infant</topic><topic>Infant, Low Birth Weight</topic><topic>Infant, Newborn</topic><topic>Infants</topic><topic>Japan - epidemiology</topic><topic>low‐birth‐weight infants</topic><topic>Pandemics</topic><topic>Pregnancy</topic><topic>Premature birth</topic><topic>Premature Birth - epidemiology</topic><topic>preterm delivery</topic><topic>Retrospective Studies</topic><topic>small‐for‐date infants</topic><topic>Womens health</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maki, Yohei</creatorcontrib><creatorcontrib>Tokuda, Atsuko</creatorcontrib><creatorcontrib>Kino, Emi</creatorcontrib><creatorcontrib>Yamauchi, Aya</creatorcontrib><creatorcontrib>Ohtsuka, Teruo</creatorcontrib><creatorcontrib>Terao, Kiminari</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>The journal of obstetrics and gynaecology research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maki, Yohei</au><au>Tokuda, Atsuko</au><au>Kino, Emi</au><au>Yamauchi, Aya</au><au>Ohtsuka, Teruo</au><au>Terao, Kiminari</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>No significant changes in preterm birth, low‐birth‐weight, and small‐for‐gestational‐age infants during the first year of the COVID‐19 pandemic in a rural area in Japan</atitle><jtitle>The journal of obstetrics and gynaecology research</jtitle><addtitle>J Obstet Gynaecol Res</addtitle><date>2023-01</date><risdate>2023</risdate><volume>49</volume><issue>1</issue><spage>175</spage><epage>181</epage><pages>175-181</pages><issn>1341-8076</issn><eissn>1447-0756</eissn><abstract>Aims
To evaluate the coronavirus disease 2019 pandemic's impact on pregnancy outcomes in a Japanese rural area.
Methods
This retrospective study focused on the periods between March 1, 2020, and February 28, 2021 (during the coronavirus disease 2019 pandemic), and January 1, 2017, and December 31, 2019. Singleton pregnancies delivered at or after 22 gestational weeks were included. Preterm delivery, low‐birth‐weight, and small‐for‐gestational‐age infant rates during the pandemic were compared to those in the preceding 3 years.
Results
In the pandemic and control groups, 1650 and 5762 pregnant women were included, respectively. Two pregnant women with coronavirus disease 2019 were identified (0.1%). There were no significant intergroup differences in preterm delivery rates (control, 4% vs. pandemic, 3.3%; difference: −0.7% [95% confidence interval: −1.7%–0.3%], p = 0.22). The low‐birth‐weight rate tended to decrease; however, the difference was insignificant (7.9% vs. 6.5%; difference: −1.4% [95% confidence interval: −2.8–0%], p = 0.06). The small‐for‐gestational‐age infant rate was significantly lower in the pandemic than in the control group (7.3% vs. 5.2%; difference: −2.1% [95% confidence interval: −3.3–0.8%], p < 0.01). However, the interrupted time series analysis showed no significant trend.
Conclusions
There were no significant changes in the rates of preterm delivery, low‐birth‐weight infants, and small‐for‐gestational‐age infants during the pandemic's first year compared to those in the preceding 3 years. Behavioral changes, such as “stay‐at‐home” measures, may not improve pregnancy outcomes in Japan.</abstract><cop>Kyoto, Japan</cop><pub>John Wiley & Sons Australia, Ltd</pub><pmid>36210176</pmid><doi>10.1111/jog.15446</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-5913-9811</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1341-8076 |
| ispartof | The journal of obstetrics and gynaecology research, 2023-01, Vol.49 (1), p.175-181 |
| issn | 1341-8076 1447-0756 |
| language | eng |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Age Birth Child, Preschool Confidence intervals Coronaviruses COVID-19 COVID-19 - epidemiology Female Humans Infant Infant, Low Birth Weight Infant, Newborn Infants Japan - epidemiology low‐birth‐weight infants Pandemics Pregnancy Premature birth Premature Birth - epidemiology preterm delivery Retrospective Studies small‐for‐date infants Womens health |
| title | No significant changes in preterm birth, low‐birth‐weight, and small‐for‐gestational‐age infants during the first year of the COVID‐19 pandemic in a rural area in Japan |
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