There was an increase of 1.0 - 1.3 cm per week in length and 0.8 - 1.0 cm per week in head circumference.
Chiều dài trung bình tăng 1,0 – 1,3 cm / tuần, vòng đầu tăng trung bình từ 0,8 – 1,0 cm / tuần.