Answer :
A. 50cm. The CHL of a newborn is approximately 51 cm. Therefore, the correct answer is option a: 50 cm. This length is measured from head-to-toe after birth.
The CHL (Crown-to-Heel Length) of a newborn typically refers to the total length of the baby from the top of the head to the heel. At birth, the average length of a full-term newborn is approximately 51 cm (20 inches). Hence, the correct answer is option a: 50 cm.
