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Average concentrations were: protein 1.3\u2009\u00b1\u20090.3\u2009g\/dl, carbohydrates 7.3\u2009\u00b1\u20090.6\u2009g\/dl, fat 3.7\u2009\u00b1\u20091.0\u2009g\/dl and energy 296.0\u2009\u00b1\u200941.0\u2009kJ\/dl (70.7\u2009kcal\/dl). Gestational age negatively correlated with protein (<jats:italic>rho<\/jats:italic>: \u22120.307, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) and energy (r: \u22120.193, <jats:italic>p<\/jats:italic>\u2009=\u20090.003). Advanced maternal age, gestational age and intrauterine growth restriction were independently associated with milk protein content over the first 4 weeks (adjusted R<jats:sup>2<\/jats:sup>: 0.113, <jats:italic>p<\/jats:italic>\u2009=\u20090.002).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>These findings may help neonatologists identify patients fed Mother\u00b4s Own Milk who are at increased risk of poor postnatal growth.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1038\/s41372-022-01475-6","type":"journal-article","created":{"date-parts":[[2022,8,5]],"date-time":"2022-08-05T13:06:24Z","timestamp":1659704784000},"page":"52-59","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Influence of maternal and perinatal factors on macronutrient content of very preterm human milk during the first weeks after birth"],"prefix":"10.1038","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3943-7317","authenticated-orcid":false,"given":"Cristina","family":"Borr\u00e0s-Novell","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1010-4295","authenticated-orcid":false,"given":"Ana","family":"Herranz Barbero","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carla","family":"Balcells Esponera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miriam","family":"L\u00f3pez-Abad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2737-1149","authenticated-orcid":false,"given":"Victoria","family":"Aldecoa Bilbao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Montserrat","family":"Izquierdo Renau","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabel","family":"Iglesias Platas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,8,5]]},"reference":[{"key":"1475_CR1","doi-asserted-by":"publisher","first-page":"e84","DOI":"10.1542\/peds.2015-0129","volume":"136","author":"JD Horbar","year":"2015","unstructured":"Horbar JD, Ehrenkranz RA, Badger GJ, Edwards EM, Morrow KA, Soll RF, et al. 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