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近年来引起儿科专家和营养学家关注的是胎、婴儿期保健。从受孕到胎儿出生称胎儿期,生后到一周岁称婴儿期,胎、婴儿期是人一生中生长发育的第一个高峰期。从一个小小的受精卵发育成一个完整的人体,要经过一系列很复杂的过程。胎儿体重增长在孕晚期(孕7—9月)最快,3个月内增加2300g,占整个胎儿期体重的2/3强;生后一年内增长较快,为出生体重的3倍。身长则在孕中期
In recent years, pediatricians and nutritionists are concerned about the fetus, infant health care. From conception to the birth of the fetus, said the fetus, after birth to one year of age, said infancy, fetus, infancy is the growth and development of human life, the first peak. From a tiny zygote developed into a complete human body, go through a series of very complex process. Fetal weight gain in the third trimester of pregnancy (pregnancy from July to September) the fastest increase of 3 months, 2300g, accounting for 2/3 of the whole body weight during pregnancy; rapid growth after birth, birth weight three times. The height is in the second trimester