Medically reviewed by: Elana Pearl Ben-Joseph, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab There are no set rules about ...

The fetus is an allograft onto the mother and is at risk of rejection, so there is a strong T helper 2 (T H 2)-cell bias to fetal innate immune responses, a tendency also initially manifest in the ...

Newborns often appear cross-eyed due to under-developed eye coordination, which usually improves by 4 months. If a baby older than 4 months still looks cross-eyed, they may have strabismus, which ...

Breast buds are the most common concern. Breast buds are small, disc-shaped lumps felt under the nipple and areola. Any lump found under the areola is a breast bud until proven otherwise. Breast ...

Some dog breeds, like Samoyeds, strongly resemble polar bears in appearance. Samoyeds were bred for extreme Siberian cold, aided by thick coats and upturned mouths. They were used to keep humans warm, ...

Congenital hypothyroidism is detected through newborn blood screenings usually within a few days after birth. This condition is treated with levothyroxine, which helps bring thyroid hormone levels to ...