Which statement describes the infant GI and dentition changes around early infancy?

Which statement describes the infant GI and dentition changes around early infancy?

• A. Stomach capacity increases and first primary teeth erupt between 6-8 months
• B. Stomach capacity decreases and first primary teeth erupt by 2 years
• C. Stomach capacity increases and no teeth erupt until 18 months
• D. Stomach capacity remains fixed and incisors erupt at 1 month

Answer: (A)

The main idea here is how the infant’s gastrointestinal tract and dentition develop together in early life. As infants grow, the stomach enlarges to accommodate increasing amounts of milk or formula, supporting longer intervals between feeds and the later introduction of solids. Alongside this, tooth eruption follows a predictable timeline: the first primary teeth typically emerge around 6 to 8 months, usually starting with the lower central incisors. This combination—increasing stomach capacity and teeth beginning to erupt at about 6–8 months—fits the normal pattern of early infancy development. Other scenarios don’t align with typical growth: a decreasing or fixed stomach capacity would limit feeding and contradict observed growth, and teeth erupting as late as 18 months or as early as 1 month doesn’t match the usual sequence and timing.

The main idea here is how the infant’s gastrointestinal tract and dentition develop together in early life. As infants grow, the stomach enlarges to accommodate increasing amounts of milk or formula, supporting longer intervals between feeds and the later introduction of solids. Alongside this, tooth eruption follows a predictable timeline: the first primary teeth typically emerge around 6 to 8 months, usually starting with the lower central incisors. This combination—increasing stomach capacity and teeth beginning to erupt at about 6–8 months—fits the normal pattern of early infancy development.

Other scenarios don’t align with typical growth: a decreasing or fixed stomach capacity would limit feeding and contradict observed growth, and teeth erupting as late as 18 months or as early as 1 month doesn’t match the usual sequence and timing.