First one thousand (1,000) days of life

First one thousand (1,000) days of life refers to the period of a child's life, spanning the nine (9) months in the womb starting from conception to the first twenty-four (24) months of life, which is considered to be the critical window of opportunity to promote health and development and prevent malnutrition and its life-long consequences. (Sec. 6(e), R.A. No. 11148)