「The Maternal Health Centre says my child's development is behind age expectations — what can I do?」
GDD refers to children under 5 whose progress lags peers in more than one developmental domain (gross motor, fine motor, language, social, cognitive, self-care). Early intervention (0–6 years) is the golden window — brain plasticity is highest and intervention impact is greatest.
If you recognize 3 or more, it's worth exploring further.