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Nutrition, Diets, and Health

Lieven Huybregts

Senior Research Fellow

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Bio

Lieven Huybregts is a Senior Research Fellow in the Nutrition, Diets, and Health Unit, and is the acting chair of IFPRI’s Institutional Review Board. He is a nutrition epidemiologist with expertise in maternal and child malnutrition in developing countries. His current research areas include: the impact of prenatal and postnatal balanced energy and protein supplementation on birth outcomes and early postnatal growth (Burkina Faso); the impact of cash transfers on human capital (Burkina Faso and Mali); integrating preventive interventions into the Community-based Management of Acute Malnutrition program to tackle child undernutrition using community and health facility-based platforms (Mali, Burkina Faso, and Senegal); the impact of social protection strategies on pregnancy outcomes (Bangladesh); and the determinants of treatment coverage and relapse of child acute malnutrition (Mali and Burkina Faso).

Prior to joining IFPRI, Lieven was a Postdoctoral Fellow at Ghent University and Visiting Scientist at the Institute of Tropical Medicine Antwerp, Belgium. He was Project Leader of the Maternal and Child Nutrition project embedded in the institutional collaboration framework between Jimma University (Ethiopia) and Ghent University (Belgium). He has also conducted several randomized controlled trials in Burkina Faso, Ethiopia, Chad, and Ecuador in collaboration with NGOs and local research institutes. Lieven holds a PhD in Applied Biological Sciences and an MS in Bioscience Engineering (major Food Sciences) from Ghent University, Belgium.

Languages Spoken: Dutch, English, French, Italian, German

Publications

Publications

Resource thumbnail

Journal Article

Barriers and factors associated with treatment coverage of severe acute malnutrition among children 6–59 months in agrarian and pastoralist areas of Ethiopia

2026Biru, Bayise; Huybregts, Lieven; Tamiru, Dessalegn; Areb, Mohammed; Haddis, Alemayehu; Fall, Talla; Touré, Mariama; Belachew, Tefera
Details

Barriers and factors associated with treatment coverage of severe acute malnutrition among children 6–59 months in agrarian and pastoralist areas of Ethiopia

Severe acute malnutrition remains a major public health concern, yet a large proportion of affected children do not receive appropriate treatment. Understanding the barriers and associated factors is essential for informing targeted, context‐specific interventions. A door‐to‐door screening campaign among children aged 6–59 months was conducted from May to September 2024 in Kersa (agrarian) and Jeldessa (pastoralist) woredas of Ethiopia. The treatment coverage of severe acute malnutrition was 12.8% (95% CI: 9.0%–17.9%). The most frequently reported barriers to treatment included lack of awareness of the child’s nutritional status, time and financial constraints, and absence of family permission. Multivariable analysis revealed that household wealth index (aPR: 2.9; 95% CI: 1.5–5.5), use of water treatment methods (aPR: 4.6; 95% CI: 1.7–11.9), recent community MUAC screening (aPR: 12.0; 95% CI: 5.4–26.8), availability of treatment services at a nearby health post (aPR: 3.2; 95% CI: 1.1–9.9), and possession of a vaccination card (aPR: 3.2; 95% CI: 1.1–9.1) were significantly associated with severe acute malnutrition treatment coverage. The findings highlight that severe acute malnutrition treatment coverage in both pastoralist and agrarian settings of Ethiopia remains critically low. Stronger implementation of active screening and treatment services recommended by Ethiopian national guidelines, together with social protection measures for the poorest households, may improve treatment coverage.

Year published

2026

Authors

Biru, Bayise; Huybregts, Lieven; Tamiru, Dessalegn; Areb, Mohammed; Haddis, Alemayehu; Fall, Talla; Touré, Mariama; Belachew, Tefera

Citation

Biru, Bayise; Huybregts, Lieven; Tamiru, Dessalegn; Areb, Mohammed; Haddis, Alemayehu; et al. 2026. Barriers and factorsassociated with treatment coverage of severe acute malnutrition among children 6–59 months in agrarian and pastoralist areas of Ethiopia. Maternal and Child Nutrition 22(3): e70219. https://doi.org/10.1111/mcn.70219

Country/Region

Ethiopia

Keywords

Africa; Sub-saharan Africa; Eastern Africa; Malnutrition; Children; Agrarian Structure; Pastoral Society; Rural Areas; Health

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1111/mcn.70219 Source record

Record type

Journal Article

Resource thumbnail

Journal Article

Determinants of infant and young child feeding practices of children with severe acute malnutrition in agrarian and pastoralist settings of Ethiopia

2026Areb, Mohammed; Huybregts, Lieven; Tamiru, Dessalegn; Touré, Mariama; Biru, Bayise; Fall, Talla; Haddis, Alemayehu; Belachew, Tefera
Details

Determinants of infant and young child feeding practices of children with severe acute malnutrition in agrarian and pastoralist settings of Ethiopia

Previous research has established determinants of young child feeding (IYCF) practices in the general child population, but determinants of these practices in children with severe acute malnutrition (SAM) are unknown. This study assessed the determinants of IYCF practices among children aged 6–23 months with SAM and under SAM treatment in a pastoralist and a predominantly agrarian setting in Ethiopia. As part of the baseline survey for the R-SWITCH cluster randomized control trial, we screened ~28,000 under-fives and included 486 children aged 6–23 months with SAM and under SAM treatment. Multivariable regression analysis was used to identify determinants on household, caregiver and child levels. Minimum meal frequency (MMF) was similar between children from the agrarian (53.9%) and pastoralist (51.9%) setting. The prevalence of children with minimum dietary diversity (MDD) was low overall but higher among pastoralist children (31.5%) than children from the agrarian setting (19.0%; p = 0.012). The consumption of egg/flesh foods was lower among pastoralist children (5.6%) than agrarian children (16.9%, p = 0.085). Caregiver literacy was positively associated with a higher likelihood of MMF (IRR = 1.21; 95% CI:1.02–1.43; p = 0.030), while caregiver depression was associated with a lower likelihood of MMF (RR = 0.97; 95% CI:0.95–0.99; p = 0.003). Improved water source (RR = 1.59; 95% CI:1.06–2.38; p = 0.037), caregiver literacy (RR = 2.04; 95% CI:1.25–3.34; p = 0.002), caregiver MDD (RR = 2.21; 95% CI:1.60–3.05; p ≤ 0.001), older children(RR = 1.05; 95% CI: 1.02–1.08;p ≤ 0.001), and pastoralist setting (RR = 1.62; 95% CI:1.07–2.44; p = 0.014) were associated with a significantly higher likelihood of meeting MDD. Conversely, caregiver depression (RR = 0.94; 95% CI:0.90–0.97; p < 0.001), caregiver mobility restriction (IRR = 0.94; 95% CI:0.89–1.00; p = 0.025), and food insecurity (RR = 0.64; 95% CI:0.41–1.01; p = 0.05) were associated with reduced MDD likelihood. Caregiver community involvement (IRR = 1.12; 95% CI:1.00–1.26; p = 0.038), caregiver MDD (RR = 1.67; 95% CI:1.10–2.53; p = 0.043), and older children (RR = 1.08; 95% CI:1.05–1.12; p < 0.001) were associated with increased egg/flesh-food consumption among children, while living in a pastoralist setting was associated with reduced it (RR = 0.36; 95% CI:0.13–0.97; p = 0.038). Integrated and Targeted interventions recommended: caregiver literacy/depression support to improve IYCF; livelihood-specific foods (eggs/flesh, fruits/vegetables); WaSH enhancements; community engagement; and IYCF counseling within CMAM programs.

Year published

2026

Authors

Areb, Mohammed; Huybregts, Lieven; Tamiru, Dessalegn; Touré, Mariama; Biru, Bayise; Fall, Talla; Haddis, Alemayehu; Belachew, Tefera

Citation

Areb, Mohammed; Huybregts, Lieven; Tamiru, Dessalegn; Touré, Mariama; Biru, Bayise; et al. 2026. Determinants of infant and young child feeding practices of children with severe acute malnutrition in agrarian and pastoralist settings of Ethiopia. Maternal and Child Nutrition 22(3): e70217. https://doi.org/10.1111/mcn.70217

Country/Region

Ethiopia

Keywords

Africa; Sub-saharan Africa; Eastern Africa; Infant Feeding; Child Feeding; Infants; Children; Malnutrition; Agrarian Structure; Pastoral Society

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1111/mcn.70217 Source record

Record type

Journal Article

Resource thumbnail

Journal Article

Gestational weight gain and maternal immediate perinatal and postpartum outcomes in low and middle income countries: Individual participant data meta-analyses

2026
Partap, Uttara; Costa, Janaína Calu; Liu, Enju; Cliffer, Ilana R; Wang, Dongqing; Wang, Molin; Nookala, Sudeer Kumar; Subramoney, Vishak; Briggs, Brittany; Ibraheem Abioye, Ajibola
…more Accrombessi, Manfred; Adu-Afarwuah, Seth; Ahmed, Sheraz; Akurut, Hellen; Ali, Hasmot; Ali, Asad; Alves, Joao Guilherme; Andra, Teddy; de Araújo, Carla Adriane Leal; Argaw, Alemayehu; Arifeen, Shams; Artes, Rinaldo; Ashorn, Per; Ashorn, Ulla; Azizi, Fereidoun; Banda, Bowen; Bawah, Ahmed Tijani; Bhandari, Nita; Bhutta, Zulfiqar A; Briand, Valerie; Calvo, Elvira Beatriz; Cardoso, Marly Augusto; de Castro, Marcia Caldas; Cecatti, Jose Guilherme; Chico-Barba, Gabriela; Chowdhury, Ranadip; Christian, Parul; Collins, Shalean; Costello, Anthony; Dewey, Kathryn G; Divala, Titus H; Dombrowski, Jamille Gregório; Drehmer, Michele; Duggan, Christopher P; Dwarkanath, Pratibha; Elliott, Alison M; Enkhmaa, Davaasambuu; Erchick, Daniel; Estrada-Gutierrez, Guadalupe; Fair, Frankie J; Friis, Henrik; Fritz, Jimena; Gandevani, Samira Behboudi; Ganmaa, Davaasumbuu; García-Guerra, Armando; Gernand, Alison D; Gomo, Exnevia; Gondwe, Austrida; González-Ludlow, Isabel; Grais, Rebecca; Guindo, Ousmane; Hallamaa, Lotta; Hamer, Davidson H; Hanley-Cook, Giles; Hien, Alain; Huybregts, Lieven; Isanaka, Sheila; Jehan, Fyezah; Kac, Gilberto; Kajubi, Richard; Kakuru, Abel; Kasaro, Margaret P; Katz, Joanne; Khatry, Subarna K; Krebs, Nancy F; Kumar, Pratap; Kurpad, Anura V; Lachat, Carl; Lama, Tsering Pema; Lamadrid-Figueroa, Hector; Lanou, Hermann; Lartey, Anna; Laufer, Miriam K; Loy, See Ling; Lipoeto, Nur Indrawaty; López, Laura Beatriz; Luzia, Liania Alves; Mahmud, Abdullah; Maiya, G Arun; Maleta, Kenneth; Manandhar, Dharma S; Manary, Mark J; Mangani, Charles; Marinho, Claudio Romero Farias; Martínez-Rojano, Hugo; Matias, Susana L; Matijasevich, Alicia; McClure, Elizabeth M; Mengue, Sotero S; Miller, Joshua D; Moore, Sophie E; Mohamad, Marhazlina; Jan Mohamed, Hamid Jan; Mridha, Malay Kanti; Mugusi, Ferdinand M; Muhammad, Ameer; Muhihi, Alfa; Muñoz-Rocha, T Verenice; Mutale, Wilbroad; Neufeld, Lynnette M; Nguyen, Phuong Hong; Nunes, Maria Angélica Antunes; Ome-Kaius, Maria; Osrin, David; Patson, Noel; Pembe, Andrea B; Perichart-Perera, Otilia; Peterson, Karen E; Premji, Zul; Prentice, Andrew M; Quezada-Sánchez, Amado D; Rahman, Najeeb; Ramachandra, Preetha; Ramakrishnan, Usha; Rizvi, Arjumand; Roberfroid, Dominique; Rodrigues, Patricia Lima; Rogerson, Stephen J; Rondó, Patricia HC; Roth, Daniel E; Sámano, Reyna; Saville, Naomi M; Schmidt, Maria Inês; Semrau, Katherine EA; Shafiq, Yasir; Shaikh, Saijuddin; Shrestha, Bhim P; Da Silva, José Roberto; Soltani, Hora; Soofi, Sajid; Martorano, Rodrigo Medeiros; Souza, Renato Teixeira; Stein, Dan J; Stringer, Jeffrey SA; Sudfeld, Christopher R; Taneja, Sunita; Tehrani, Fahimeh Ramezani; Thomas, Tinku; Tielsch, James M; Toe, Laéticia Céline; Unger, Holger W; Urassa, Willy; Vaz, Juliana dos Santos; Victor, Audêncio; Webb, Emily L; West, Keith P; Widen, Elizabeth; Workman, Lesley; Wright, Robert O; Wu, Lee Shu Fune; Young, Sera L; Zar, Heather; Zeng, Lingxia; Fawzi, Wafaie W
Details

Gestational weight gain and maternal immediate perinatal and postpartum outcomes in low and middle income countries: Individual participant data meta-analyses

Objective To estimate the associations between gestational weight gain and maternal immediate perinatal and postpartum outcomes by pooling data from low and middle income countries. Design Individual participant data meta-analyses. Data sources PubMed, Embase, Web of Science, and Cochrane Library, based on three searches (Search 1: all prospective studies published from January 2000 to May 2021; Search 2: randomized controlled trials of balanced energy and protein supplementation published until June 2021; Search 3: randomized controlled trials of anti-infectious agents published until August 2021). Eligibility criteria for selecting studies Prospective studies (randomised controlled trials or observational cohort studies) with measured maternal weight during pregnancy and data available on maternal height, based in populations from low and middle income countries with no underlying conditions. Results The analyses included 156 300 women from 61 studies and 23 countries, with most participants based in South Asia (n=78 454, 50.2%) and sub-Saharan Africa (n=36 327, 23.2%). Compared with women with adequate (90-125%) gestational weight gain, women with excessive (>125%) gestational weight gain had a higher risk of caesarean delivery (risk ratio 1.10, 95% confidence interval 1.06 to 1.13, τ2=0.000) and emergency caesarean delivery (risk ratio 1.22, 1.03 to 1.43, τ2=0.000). Women with moderately (70% to <90%) or severely inadequate (<70%) versus adequate gestational weight gain had lower risks for caesarean delivery (risk ratio in women with moderately inadequate gestational weight gain 0.88, 95% confidence interval 0.84 to 0.92, τ2=0.004; risk ratio in women with severely inadequate gestational weight gain 0.82, 0.77 to 0.88, τ2=0.010) and emergency caesarean delivery (risk ratio in moderately inadequate gestational weight gain 0.82, 0.71 to 0.95, τ2=0.004; risk ratio in severely inadequate gestational weight gain 0.73, 0.56 to 0.96, τ2=0.103). Excessive versus adequate gestational weight gain was associated with higher postpartum weight retained at any time point (mean difference 2.00 kg, 95% confidence interval 1.49 to 2.50, τ2=1.317), whereas moderately and severely inadequate gestational weight gain were associated with lower retained weight compared with adequate gestational weight gain. Similar trends were found for postpartum body mass index. Severely inadequate gestational weight gain was associated with lower systolic and diastolic blood pressure at any time point post partum than adequate gestational weight gain. No associations were observed for other outcomes including postpartum depressive symptoms or breastfeeding. Evidence indicating an interaction between gestational weight gain and body mass index before pregnancy was found when examining the risk of caesarean delivery and postpartum weight retention, body mass index, and systolic blood pressure as outcomes. Conclusions These findings support the association between suboptimal gestational weight gain and adverse maternal outcomes in the immediate perinatal and postpartum periods. Further research examining the consequences of suboptimal gestational weight gain in low and middle income countries would be valuable to inform potential strategies to improve long term maternal health.

Year published

2026

Authors

Partap, Uttara; Costa, Janaína Calu; Liu, Enju; Cliffer, Ilana R; Wang, Dongqing; Wang, Molin; Nookala, Sudeer Kumar; Subramoney, Vishak; Briggs, Brittany; Ibraheem Abioye, Ajibola; Accrombessi, Manfred; Adu-Afarwuah, Seth; Ahmed, Sheraz; Akurut, Hellen; Ali, Hasmot; Ali, Asad; Alves, Joao Guilherme; Andra, Teddy; de Araújo, Carla Adriane Leal; Argaw, Alemayehu; Arifeen, Shams; Artes, Rinaldo; Ashorn, Per; Ashorn, Ulla; Azizi, Fereidoun; Banda, Bowen; Bawah, Ahmed Tijani; Bhandari, Nita; Bhutta, Zulfiqar A; Briand, Valerie; Calvo, Elvira Beatriz; Cardoso, Marly Augusto; de Castro, Marcia Caldas; Cecatti, Jose Guilherme; Chico-Barba, Gabriela; Chowdhury, Ranadip; Christian, Parul; Collins, Shalean; Costello, Anthony; Dewey, Kathryn G; Divala, Titus H; Dombrowski, Jamille Gregório; Drehmer, Michele; Duggan, Christopher P; Dwarkanath, Pratibha; Elliott, Alison M; Enkhmaa, Davaasambuu; Erchick, Daniel; Estrada-Gutierrez, Guadalupe; Fair, Frankie J; Friis, Henrik; Fritz, Jimena; Gandevani, Samira Behboudi; Ganmaa, Davaasumbuu; García-Guerra, Armando; Gernand, Alison D; Gomo, Exnevia; Gondwe, Austrida; González-Ludlow, Isabel; Grais, Rebecca; Guindo, Ousmane; Hallamaa, Lotta; Hamer, Davidson H; Hanley-Cook, Giles; Hien, Alain; Huybregts, Lieven; Isanaka, Sheila; Jehan, Fyezah; Kac, Gilberto; Kajubi, Richard; Kakuru, Abel; Kasaro, Margaret P; Katz, Joanne; Khatry, Subarna K; Krebs, Nancy F; Kumar, Pratap; Kurpad, Anura V; Lachat, Carl; Lama, Tsering Pema; Lamadrid-Figueroa, Hector; Lanou, Hermann; Lartey, Anna; Laufer, Miriam K; Loy, See Ling; Lipoeto, Nur Indrawaty; López, Laura Beatriz; Luzia, Liania Alves; Mahmud, Abdullah; Maiya, G Arun; Maleta, Kenneth; Manandhar, Dharma S; Manary, Mark J; Mangani, Charles; Marinho, Claudio Romero Farias; Martínez-Rojano, Hugo; Matias, Susana L; Matijasevich, Alicia; McClure, Elizabeth M; Mengue, Sotero S; Miller, Joshua D; Moore, Sophie E; Mohamad, Marhazlina; Jan Mohamed, Hamid Jan; Mridha, Malay Kanti; Mugusi, Ferdinand M; Muhammad, Ameer; Muhihi, Alfa; Muñoz-Rocha, T Verenice; Mutale, Wilbroad; Neufeld, Lynnette M; Nguyen, Phuong Hong; Nunes, Maria Angélica Antunes; Ome-Kaius, Maria; Osrin, David; Patson, Noel; Pembe, Andrea B; Perichart-Perera, Otilia; Peterson, Karen E; Premji, Zul; Prentice, Andrew M; Quezada-Sánchez, Amado D; Rahman, Najeeb; Ramachandra, Preetha; Ramakrishnan, Usha; Rizvi, Arjumand; Roberfroid, Dominique; Rodrigues, Patricia Lima; Rogerson, Stephen J; Rondó, Patricia HC; Roth, Daniel E; Sámano, Reyna; Saville, Naomi M; Schmidt, Maria Inês; Semrau, Katherine EA; Shafiq, Yasir; Shaikh, Saijuddin; Shrestha, Bhim P; Da Silva, José Roberto; Soltani, Hora; Soofi, Sajid; Martorano, Rodrigo Medeiros; Souza, Renato Teixeira; Stein, Dan J; Stringer, Jeffrey SA; Sudfeld, Christopher R; Taneja, Sunita; Tehrani, Fahimeh Ramezani; Thomas, Tinku; Tielsch, James M; Toe, Laéticia Céline; Unger, Holger W; Urassa, Willy; Vaz, Juliana dos Santos; Victor, Audêncio; Webb, Emily L; West, Keith P; Widen, Elizabeth; Workman, Lesley; Wright, Robert O; Wu, Lee Shu Fune; Young, Sera L; Zar, Heather; Zeng, Lingxia; Fawzi, Wafaie W

Citation

Partap, Uttara; Costa, Janaína Calu; Liu, Enju; Cliffer, Ilana R.; Wang, Dongqing; et al. 2026. Gestational weight gain and maternal immediate perinatal and postpartum outcomes in low and middle income countries: Individual participant data meta-analyses. BMJ Medicine 5(1): e001558. https://doi.org/10.1136/bmjmed-2025-001558

Keywords

Weight Gain; Pregnancy; Maternal and Child Health; Developing Countries

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1136/bmjmed-2025-001558 Source record

Record type

Journal Article

Blogs

Closing the knowledge gap: Research priorities for preventing child wasting
Research Post
 | 
August 18, 2025

Closing the knowledge gap: Research priorities for preventing child wasting

By Marie Ruel and Lieven Huybregts

Reaching those at risk.

Estimating the burden of child acute malnutrition accurately
Research Post
 | 
December 03, 2020

Estimating the burden of child acute malnutrition accurately

By Francisco Barba, Lieven Huybregts, and Jef Leroy

Current global numbers are likely undercounts.

Incorporating prevention into community-based management of acute malnutrition: Insights from Mali and Burkina Faso
Research Post
 | 
October 04, 2019

Incorporating prevention into community-based management of acute malnutrition: Insights from Mali and Burkina Faso

By Lieven Huybregts, Elodie Becquey, Jef Leroy, and Marie Ruel

Studies show mixed results for a program that coupled acute malnutrition screenings with dietary supplements.

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Events

Beyond Treatment: Integrated Strategies to Prevent Child Wasting and post-treatment Relapse
IFPRI Program/Country Event

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April 1, 2026, 9:00 – 10:30 am

Beyond Treatment: Integrated Strategies to Prevent Child Wasting and post-treatment Relapse

Child wasting affects an estimated 42 million children at any given time, but over a year, between 240 and 295 million episodes of wasting occur.  Wasting, including severe wasting, is associated with approximately 850,000 child deaths annually and have livelong consequences for child health and development. Although effective outpatient treatment protocols exist, coverage remains below 30% […]

Confronting the Crisis of Child Wasting: Translating Evidence into Action and Policy
IFPRI at External Event

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January 27, 2026, 11:00 – 5:00 pm

Confronting the Crisis of Child Wasting: Translating Evidence into Action and Policy

Hosted by the European Commission’s Joint Research Centre (JRC), this exchange will bring together global and country partners, technical experts and practitioners to connect evidence and action in responding to child undernutrition and strengthening food and nutrition data systems. The morning session will focus on the ongoing crisis of child wasting and explore how recent […]

23rd International Congress of Nutrition (ICN)
IFPRI at External Event

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August 24 to 29, 2025

23rd International Congress of Nutrition (ICN)

IFPRI is participating in the 23rd International Congress of Nutrition (ICN), hosted by the International Union of Nutritional Sciences (IUNS) on August 24-29 in Paris, France.  The theme of this year’s congress is “Sustainable Food for Global Health,” bringing together experts to discuss evidence and innovations in nutrition, sustainability, food science, and public health. IFPRI […]

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News

July 31, 2025 | Press Release

New study finds behavior change communication and nutrition supplements can help prevent relapse from child wasting

The study, published in The Journal of Nutrition, used longitudinal data from two cluster-randomized trials in Burkina Faso and Mali, the PROMIS project.