Rochmawati; Estu Lovita Pembayun; Afifah Taufik; Attiina Dinar Ardelia Muchdiarni; Anisa Anindita; Firly Deliana Putri; Putri Amanda Hasibuan; Riana Eka Wira Adesty. ANALYSIS OF THE BRAIN SPARING EFFECT PHENOMENON: COMPARISON OF HEAD CIRCUMFERENCE GROWTH RATES BETWEEN WEIGHT FALTERING AND GOOD NUTRITION IN TODDLERS AT POSYANDU MEKARSARI AND MEKARSARI A. Zona Kebidanan Prog. Studi Kebidanan Univ. Batam 2026, 16.