A.孕婦碘缺乏 B.孕婦鐵缺乏 C.孕婦鋅缺乏 D.孕婦硒缺乏
A.50kcal/d B.100kcal/d C.200kcal/d D.300kcal/d
A.7~8kg B.10kg C.12kg D.14~15kg