{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T12:10:35Z","timestamp":1784117435872,"version":"3.55.0"},"reference-count":39,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Studies in Family Planning"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Senegal faces high maternal mortality, elevated levels of short\u2011interval births, and substantial unmet need for postpartum contraception. Supply chain challenges contribute to contraceptive nonuse in the country. Before 2013, Senegal used a pull\u2011based contraceptive supply chain, in which facility staff estimated demand and procured supplies, leading to frequent stockouts. The informed push model (IPM), launched in 2012, aimed to streamline distribution. We used 2014\u20132019 DHS data (\n                    <jats:italic>N<\/jats:italic>\n                    \u00a0=\u00a032,373) and applied an event\u2011study difference\u2011in\u2011differences design with district\u2011level data to assess changes in the prevalence of modern, long\u2010acting, reversible, and short\u2011acting contraceptive methods. We further conducted subgroup analyses by wealth and urbanicity. IPM significantly increased contraceptive prevalence. Modern contraceptive use in the postpartum period rose by 7.8 percentage points within 10 quarters post\u2010IPM. Increases were most pronounced for wealthier and more urban districts. Results underscore the value of strong supply chains but show that supply\u2011side efforts alone may not reach low\u2010income and rural populations. Future work should evaluate the cost\u2010effectiveness and sustainability of alternative financing models and integrated strategies to address persistent supply and access barriers.\n                  <\/jats:p>","DOI":"10.1111\/sifp.70066","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T11:33:43Z","timestamp":1784115223000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluating the Impact of a Family Planning Supply Chain Intervention on Postpartum Contraceptive Use in Senegal Using Difference in Differences"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-9863-2581","authenticated-orcid":false,"given":"Dea","family":"Oviedo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margaret A.","family":"McConnell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica L.","family":"Cohen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,15]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"Agence Nationale de la Statistique et de la D\u00e9mographie.2015. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2014.\u201d SEN_2014_CDHS_v01_M.https:\/\/www.dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010457.cfm."},{"key":"e_1_2_9_3_1","unstructured":"Agence Nationale de la Statistique et de la D\u00e9mographie.2016. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2015.\u201d SEN_2015_CDHS_v01_M.https:\/\/www.dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010489.cfm."},{"key":"e_1_2_9_4_1","unstructured":"Agence Nationale de la Statistique et de la D\u00e9mographie.2017. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2016.\u201d SEN_2016_CDHS_v01_M.https:\/\/www.dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010524.cfm."},{"key":"e_1_2_9_5_1","unstructured":"Agence Nationale de la Statistique et de la D\u00e9mographie.2018. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2017.\u201d SEN_2017_DHS_v01_M.https:\/\/www.dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010534.cfm."},{"key":"e_1_2_9_6_1","unstructured":"Agence Nationale de la Statistique et de laD\u00e9mographie.2020a. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2018.\u201d SEN_2018_DHS_v01_M.https:\/\/dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010580.cfm."},{"key":"e_1_2_9_7_1","unstructured":"Agence Nationale de la Statistique et de la D\u00e9mographie.2020b. \u201cS\u00e9n\u00e9gal: Enqu\u00eate D\u00e9mographique et de Sant\u00e9 Continue 2019.\u201d SEN_2019_DHS_v01_M.https:\/\/www.dhsprogram.com\/methodology\/survey\/survey\u2010display\u2010581.cfm."},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140\u20106736(12)60478\u20104"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12889\u2010019\u20108080\u20107"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0291571"},{"key":"e_1_2_9_11_1","unstructured":"Baker Pete KatherineKlemperer YacineFatime Ndao et\u00a0al.2025.\u201cFinancing of Healthcare Supply Chains in Low\u2010 and Middle\u2010Income Countries: A Novel Conceptual Framework.\u201d September 30.https:\/\/www.cgdev.org\/publication\/financing\u2010healthcare\u2010supply\u2010chains\u2010low\u2010and\u2010middle\u2010income\u2010countries\u2010novel\u2010conceptual."},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884\u2010023\u201005403\u20100"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0294747"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12978\u2010016\u20100163\u20107"},{"key":"e_1_2_9_15_1","doi-asserted-by":"crossref","unstructured":"Daff Bocar Mamadou CheikhSeck HassanBelkhayat andPerriSutton.2014.\u201cInformed Push Distribution of Contraceptives in Senegal Reduces Stockouts and Improves Quality of Family Planning Services.\u201d Field Action Report. Global Health: Science and Practice 2 (2): 245\u2013252.https:\/\/doi.org\/10.9745\/GHSP\u2010D\u201013\u201000171.","DOI":"10.9745\/GHSP-D-13-00171"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1080\/13625187.2022.2096215"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.9745\/GHSP\u2010D\u201015\u201000328"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12913\u2010017\u20102316\u2010y"},{"key":"e_1_2_9_19_1","unstructured":"High Impact Practices in Family Planning (HIPs).2020. \u201cSupply Chain Management: Investing in the supply chain is critical to achieving family planning goals.\u201d HIPs Partnership. Washington DC.https:\/\/www.fphighimpactpractices.org\/briefs\/supply\u2010chain\u2010management\/."},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12913\u2010022\u201008565\u20103"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0236659"},{"key":"e_1_2_9_22_1","unstructured":"Lumley Thomas PeterGao BenSchneider andStasKolenkikov.2026.Survey: Analysis of Complex Survey Samples. V. 4.5. 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