The golden period of development of a child starts from the time the child is in the womb to the age of two.

Pregnant women and children under 5 years of age are at the highest risk of micronutrient deficiencies (MN Ds),

growth problems, intellectual decline, perinatal complications and an increased risk of morbidity and mortality.

Therefore, pregnant women and mothers with toddlers need an educational program about proper nutrition for the

health of both mother and f etus. Family based education according to a healthy family program can increase the

intention to change health behavior. According to Theory of Planned Behavior (TPB), the intention to change

behavior is influenced by attitudes, subjective norms and percep tions of behavior control. This study aims to

identify the effect of family based education on the intention of pregnant women to optimize nutrition in the first

1000 days of life so as to prevent stunti ng in the working area of the Batakte Health Center, Kupang Regency. The

research design used a quasi experimental, pre test and posttest one group design. Sampling with total sampling

technique of all pregnant women recorded at the Puskesmas amounted to 13 people, and mothers with toddlers

as many as 33 people. Educational activities are carried out through three home visit meetings. Data analysis

using Paired T Test . The results showed that there was a significant influence between family based educatio n on

the intention of knowledge, attitudes, behavior of pregnan t women and mothers with toddlers to optimize nutrition

in preventing stunting (p = 0.00).

Keyword: pregnant women, mothers with toddlers , nutrition education