“…Most studies (15/24, 63%) which reported data for moderate underweight (Supplementary Appendix 5b) indicated an increased risk for children born to adolescent compared to adult mothers (Ahmed et al, 2012;Boah, Azupogo, Amporfro, & Abada, 2019;Friebert, Callaghan-Gillespie, Papathakis, & Manary, 2017;Fuada, Latifah, Yunitawat, & Ashar, 2020;Gbadamosi, Goon, & Tugli, 2017;Hien & Hoa, 2009;Hiruy et al, 2021;Hossain et al, 2020;Ickes, Hurst, & Flax, 2015;Linnemayr, Alderman, & Ka, 2008;Mashal et al, 2008;Nguyen et al, 2017;Poda, Hsu, & Chao, 2017;Schott, Aurino, Penny, & Behrman, 2017;Sobkoviak, Yount, & Halim, 2012). A total of three studies (13%) indicated a reduced risk of underweight for children born to adolescent mothers (Ali et al, 2019;Nakamori et al, 2010) and four (17%) indicated no difference (Akseer et al, 2018;Bekele, Rawstorne, & Rahman, 2021;Hien & Kam, 2008;Kasaye, Bobo, Yilma, & Woldie, 2019;Kumar & Paswan, 2021).…”