Birth weight increases with birth order despite decreasing maternal pregnancy weight gain.
Claudia BohnMandy VogelTanja PoulainUlrike SpielauCornelia HilbertWieland KiessAntje KörnerPublished in: Acta paediatrica (Oslo, Norway : 1992) (2020)
Birth order must be considered a potential risk factor for higher birth weight. Maternal pregnancy weight gain is not the driving factor for higher birth weight in siblings.