Fig. 3From: Birthweight trends and their explanatory factors in Hungary between 1999 and 2018: an analysis of the Hungarian Tauffer registryYearly changes in birthweight of term newborns in 1999–2008 (a) and 2008–2018 (b). Birthweights in grams. All models are adjusted for gestational age at delivery (using linear, quadratic and cubic terms), maternal age (using linear and quadratic terms), parity, induced delivery, and caesarean section. Multiple linear regression. See further details in the Statistical Analysis sectionBack to article page