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The enrolled data were pooled to analyze the baseline characteristics, clinical features, risk factors and treatment options.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A total of 65 articles with 338 cases were enrolled for data extraction. The enrolled cases aged from 19 to 47\u2009years, with a mean value of 35.7\u2009years old. The average body mass index (BMI) was 22.2\u2009kg\/m<jats:sup>2<\/jats:sup> ranged from 16.0 to 39.0\u2009kg\/m<jats:sup>2<\/jats:sup>. Of the 173 cases, 149 cases with vertebral fractures occurred in the first pregnancy, 19 cases in the second pregnancy, four cases in the third pregnancy and one case in the fourth pregnancy. Up to 91.5% of the back pain occurred within the last 3 months of pregnancy and the first 3 months after delivery. The most involved vertebral levels were L2, L1 and T12 accounting for 32.6% of all the fractures. The average fracture numbers were 4.4 levels per patient. The lumbar Z-scores were mostly recorded with a mean value of \u2212\u20093.2 ranged from \u2212\u20097.8 to 0.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>PLO with vertebral fractures is a rare clinical entity, which is more likely to occur in older and thinner pregnant women. Back pain is the clinical complaint and mostly occurs in the late pregnancy and early lactation periods. Most vertebral fractures appear in the first pregnancy but it can occur in any time of pregnancy. Thoracolumbar region is the mostly involved region. As compared with postmenopausal osteoporotic fractures, PLO usually has multiple levels fractures. Bisphosphonates are the most widely used treatment so far, however, many factors need to be taken into account to decide which drug to choose in PLO and further studies are necessary for clear recommendation in the future.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12891-021-04776-7","type":"journal-article","created":{"date-parts":[[2021,11,3]],"date-time":"2021-11-03T17:16:42Z","timestamp":1635959802000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":63,"title":["Pregnancy- and lactation-associated osteoporosis with vertebral fractures: a systematic review"],"prefix":"10.1186","volume":"22","author":[{"given":"Ying","family":"Qian","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lili","family":"Yu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weimin","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,11,3]]},"reference":[{"key":"4776_CR1","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1007\/s00198-017-4239-1","volume":"29","author":"I Kyvernitakis","year":"2018","unstructured":"Kyvernitakis I, Reuter TC, Hellmeyer L, Hars O, Hadji P. 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