[en] Doses from intravenous intakes of ⁵⁹Fe or ⁵⁷Co chloride during pregnancy were estimated. Near term fetal organ doses were derived via the MIRDOSE3 newborn phantom, with mean dose/cumulated activity (S) values rescaled for compatibility with near term fetus whole body S. A detailed in vivo biodistribution database provided indications of residence times in important maternal and fetal organs. ⁵⁹Fe doses to the fetus whole body from early to late pregnancy were 7-11 mGy MBq^-1 (8.5-14.3 mSv MBq^-1, similar to that to the mother. Doses to near term fetal spleen (59 mGy MBq^-1), liver (36), and red marrow (9) were similar or higher than to the mother. ⁵⁷Co doses to fetus whole body from early to late pregnancy were 0.7-3.3 mGy MBq^-1 (2.5-8.2 mSv MBq^-1), similar or higher than to the mother. Doses to near term fetal small intestine (34 mGy MBq^-1), liver (4.7) and red marrow (2.7) were similar or higher than to the mother. (author)