Final answer:
The claim that infants are expected to triple their birth weight within 6 months is false; they generally double their birth weight by six months and triple it by one year.
Step-by-step explanation:
The statement "Infants are expected to triple their birth weight within 6 months" is false. A healthy and well-nourished infant generally doubles its birth weight by six months after birth. Normally, it is within the first year that an infant would triple its birth weight. Initially, an infant gains about 28 grams per day during the first two months. As they grow, this rate of weight gain slows down, and they gain about 0.45 kg per month for the rest of the first year. In terms of length, an infant can almost double its birth length by the end of the first year, growing about 2.5 cm per month during the first six months, and about 1.2 cm per month for the next six months.