European Society of Endocrinology May 10 2025 How tall your child will be may be decided in the first two years, but it won’t tell you when puberty starts. This study sheds light on the lifelong significance of early growth and the limits of its predictive power. Study:  Early life growth is related to pubertal growth and adult height – a QEPS-model analysis ​​​​​​​. Image Credit: Monkey Business Images / Shutterstock Growth patterns during the first two years of a child's life may shape