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We examined the impact of famine-induced changes in maternal birth weight (MBW) on the association between MBW and offspring birth weight (OBW). Women born before, during, and after the Dutch Famine of 1944-1945 were interviewed at ages 41 to 46 years. Women (n = 582) and their children (n = 1111) were included in the analysis if both mother and child were singleton and the child was not delivered preterm. Mean birth weight (BW) of women with first-trimester exposure (n = 110) was 154 g higher (p = 0.008), and mean BW of women with third-trimester exposure (n = 138) was 251 g lower (p < 0.001) than mean BW of unexposed women (n = 302). First-born offspring of women with first-trimester exposure were 72 g heavier (95% confidence interval [CI], −57 to 201; p = 0.27), and offspring of women with third-trimester exposure were 43 g lighter (95% CI, −170 to 79; p = 0.47) than offspring of unexposed …