{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T01:35:02Z","timestamp":1777944902761,"version":"3.51.4"},"reference-count":25,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["22K11047"],"award-info":[{"award-number":["22K11047"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["22K11618"],"award-info":[{"award-number":["22K11618"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Womens Health (Lond Engl)"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>More than 20% of young Japanese women fall into the category of presarcopenia (only the skeletal muscle mass is below the sarcopenia criteria), and it has recently been pointed out that thinness in young adult women may be associated with future problems related to sarcopenia (age-related muscle weakness). However, the problem of sarcopenia is related to skeletal muscle, and body mass index (BMI) cannot assess only skeletal muscle.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>Prepregnancy BMI does not assess body composition and may not adequately assess the physical health of pregnant women.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design:<\/jats:title>\n                    <jats:p>The study employed a longitudinal study design.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      The purpose of this study was to examine the possibility that health problems caused by sarcopenia may be overlooked if pregnant women are classified using prepregnancy BMI. Fifty-one first-time mothers without underlying medical conditions (underweight (BMI\u2009&lt;\u200918.5\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ,\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20098), normal weight (18.5\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      \u2009&lt;\u2009BMI\u2009&lt;\u200925\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ,\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200939) and obese (25\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      \u2009&lt;\u2009BMI\u2009&lt;\u200930\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ,\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20094) groups) were included. Skeletal muscle index (SMI\u2009=\u2009(two upper limb muscle mass\u2009+\u2009two lower limb muscle mass)\/height\n                      <jats:sup>2<\/jats:sup>\n                      ) and maximum voluntary isometric contraction of grip strength used in European and Asian sarcopenia diagnostic criteria were used to assess sarcopenia in mid- and late pregnancy.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      For the normal-weight and underweight groups in mid- and late pregnancy, 12%\u201316% of participants met the diagnostic criteria for sarcopenia according to grip strength (&lt;18\u2009kg), 14%\u201326% of participants met the diagnostic criteria for sarcopenia according to the SMI (&lt;5.7\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ) and 4%\u20138% of participants met the diagnostic criteria for sarcopenia according to both grip strength and the SMI.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Among the pregnant women who were classified as \u2018normal\u2019 based on their prepregnancy BMI, 12%\u201326% had sarcopenia. It is therefore suggested that pregnant women\u2019s health problems could be more appropriately assessed by body composition rather than by BMI classification.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/17455057241297108","type":"journal-article","created":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T09:40:36Z","timestamp":1761903636000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Can prepregnancy BMI be used to detect the risk of sarcopenia in Japanese pregnant women?"],"prefix":"10.1177","volume":"21","author":[{"given":"Yoshiko","family":"Miwa","sequence":"first","affiliation":[{"name":"Midwifery Course, Seirei Christopher University, Hamamatsu, Shizuoka, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8526-5486","authenticated-orcid":false,"given":"Tomohiro","family":"Yasuda","sequence":"additional","affiliation":[{"name":"School of Nursing, Seirei Christopher University, Hamamatsu, Shizuoka, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eiko","family":"Fujimoto","sequence":"additional","affiliation":[{"name":"School of Nursing, Seirei Christopher University, Hamamatsu, Shizuoka, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kimie","family":"Kubota","sequence":"additional","affiliation":[{"name":"Midwifery Course, Seirei Christopher University, Hamamatsu, Shizuoka, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,10,31]]},"reference":[{"issue":"5","key":"e_1_3_4_2_2","first-page":"285","article-title":"Problems of underweight in young females and pregnant women in Japan","volume":"53","author":"Kodama H.","year":"2010","unstructured":"Kodama H. 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