{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T21:59:31Z","timestamp":1790632771839,"version":"4.1.0"},"reference-count":42,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T00:00:00Z","timestamp":1761177600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"UNICEF-Mexico","award":["SC180081"],"award-info":[{"award-number":["SC180081"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>In emergencies, the maternal and child populations face increased risk of morbidity and mortality, often exacerbated by malnutrition. Breastfeeding, adequate complementary feeding, and appropriate prenatal care can mitigate these risks. This descriptive cross-sectional study compared data collected before and after Hurricane John related to maternal, infant and young child feeding (IYCF) practices and the nutritional status of pregnant women and children under two years of age. Data were collected in December 2024 from the two provinces most affected in Guerrero, Mexico. Surveys were completed for 239 children through caregivers and 76 pregnant women, alongside anthropometric assessments. After the disaster, findings showed a significant decline in breastfeeding among 0\u20136-month-olds (88.7% to 71.1%) and an increase in dietary diversity in complementary feeding (3.6 \u00b1 2.1 vs. 4.5 \u00b1 1.5 food groups). Malnutrition, based on weight-for-length z-scores, was observed in 4.8% of children aged 0\u20136 months and 2.6% of those aged 6\u201324 months. According to mid-upper arm circumference, 8.4% of children aged 0\u20136 months presented malnutrition. Among pregnant women, based on body mass index, 41.5% had excessive pre-pregnancy weight, while 12.3% were underweight. These findings underscore the urgent need to integrate maternal and child nutrition into emergency preparedness and response strategies to protect vulnerable populations in Mexico.<\/jats:p>","DOI":"10.3390\/ijerph22111615","type":"journal-article","created":{"date-parts":[[2025,10,24]],"date-time":"2025-10-24T00:47:36Z","timestamp":1761266856000},"page":"1615","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Influence of Emergency Situations on Maternal and Infant Nutrition: Evidence and Policy Implications from Hurricane John in Guerrero, Mexico"],"prefix":"10.3390","volume":"22","author":[{"given":"Edith","family":"Kim-Herrera","sequence":"first","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7371-3525","authenticated-orcid":false,"given":"Ana Lilia","family":"Lozada-Tequeanes","sequence":"additional","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dinorah","family":"Gonz\u00e1lez-Castell","sequence":"additional","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edgar Arturo","family":"Ch\u00e1vez-Mu\u00f1oz","sequence":"additional","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roc\u00edo","family":"Alvarado-Casas","sequence":"additional","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susana","family":"Rafalli-Arismendi","sequence":"additional","affiliation":[{"name":"Independent Consultant, Avenida Teher\u00e1n. Urb. Montalb\u00e1n, C\u00e1ritas, Caracas 2042, Venezuela"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Sachse-Aguilera","sequence":"additional","affiliation":[{"name":"United Nations International Children\u2019s Emergency Fund (UNICEF) of Mexico, Avenida Paseo de la Reforma 645, Lomas de Chapultepec, Miguel Hidalgo, Ciudad de M\u00e9xico 11000, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cecilia","family":"De Bustos","sequence":"additional","affiliation":[{"name":"United Nations International Children\u2019s Emergency Fund (UNICEF) of Mexico, Avenida Paseo de la Reforma 645, Lomas de Chapultepec, Miguel Hidalgo, Ciudad de M\u00e9xico 11000, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2765-0818","authenticated-orcid":false,"given":"Anabelle","family":"Bonvecchio-Arenas","sequence":"additional","affiliation":[{"name":"Nutrition and Health Research Center (CINyS), National Institute of Public Health of Mexico (NIPH), Avenida Universidad 655, Santa Mar\u00eda Ahuacatitl\u00e1n, Cuernavaca 62100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,10,23]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2025, May 20). 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