{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T17:05:03Z","timestamp":1784739903438,"version":"3.55.0"},"reference-count":20,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T00:00:00Z","timestamp":1765324800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009633","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["R01HD095946"],"award-info":[{"award-number":["R01HD095946"]}],"id":[{"id":"10.13039\/100009633","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009633","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["2P50HD089922"],"award-info":[{"award-number":["2P50HD089922"]}],"id":[{"id":"10.13039\/100009633","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009633","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["T32HD101390"],"award-info":[{"award-number":["T32HD101390"]}],"id":[{"id":"10.13039\/100009633","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pediatr."],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study examines the prevalence and predictors of first pregnancy and the use of long-acting reversible contraceptives (LARCs) among adolescent girls aged 12\u201317 involved in the child welfare system.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study leverages linked longitudinal administrative data from the child welfare, juvenile legal, and Medicaid claims systems of Pennsylvania. The sample comprised 28,016 girls born between 2000 and 2005 who received Medicaid and were involved in the child welfare system during adolescence. Survival analysis was used to predict onset of first pregnancy and uptake of LARC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>By age 18, 17% percent of adolescents had experienced pregnant, with 18% having a healthcare encounter to receive LARCs. Foster care placement was not associated with pregnancy but was associated with increased use of LARCs. Substance use disorder, juvenile legal involvement, and recent suspected sexual abuse victimization were positively associated with pregnancy. There was a reciprocal association between LARCs and pregnancy; although any previous encounter for LARCs was negatively associated with pregnancy, uptake of LARCs also increased following a pregnancy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Despite broad reductions in teen pregnancy over time, adolescent girls with exposure to sexual abuse or engagement in substance use or delinquency face a persistently high risk for very early pregnancy. Medical providers and child welfare agencies need to coordinate service provision to address the sexual and reproductive health needs of at-risk teens.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fped.2025.1708452","type":"journal-article","created":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T06:41:32Z","timestamp":1765348892000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Pregnancy and reproductive healthcare among adolescent girls in the child welfare system"],"prefix":"10.3389","volume":"13","author":[{"given":"Sarah","family":"Font","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beatriz","family":"De Araujo 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