Pediatric, Infant, and Lactation Nutrition

Comprehensive practice flashcards covering infant, toddler, preschooler, and lactation nutrition, clinical growth metrics, developmental milestones, and interventions.

Children with Special Health-Care Needs

Children who have or are at increased risk for chronic physical, developmental, behavioral, or emotional conditions; approximately $19.4\%$ of children have special health needs, with up to $90\%$ exhibiting nutritional concerns.

Faltering Weight

The updated diagnostic term replacing 'failure to thrive' according to 2026 AAP Guidelines; diagnosed by: (1) weight-for-length or BMI-for-age $< -1.65$ z-score ($5\text{th}$ percentile), (2) weight gain velocity in children under 2 years $< -2$ z-score for age ($2.3\text{rd}$ percentile), or (3) a decline in weight, weight-for-length, or BMI $\ge 1$ z-score.

Conditions with Higher Energy Needs (Pediatrics)

Clinical conditions in toddlers and preschoolers requiring elevated caloric intakes, including cystic fibrosis, renal disease, pediatric AIDS, bronchopulmonary dysplasia (BPD), and ambulatory children with diplegia.

Conditions with Lower Energy Needs (Pediatrics)

Clinical conditions in toddlers and preschoolers requiring reduced caloric intakes, including Down syndrome, spina bifida, Prader-Willi syndrome, nonambulatory children with diplegia, and nonambulatory children with short stature.

Toddler Stage

The life-cycle stage spanning $1\text{ to }3\text{ years}$ of age, marked by rapid increases in gross and fine motor skills, expanding vocabulary, and an average monthly growth of $8\,\text{ounces}$ and $0.4\,\text{inches}$.

Preschool-Age Stage

The life-cycle stage spanning $3\text{ to }5\text{ years}$ of age, characterized by increasing autonomy, cooperative play, vocabulary expansion beyond 2,000 words, and an average yearly gain of $4.4\,\text{lbs}$ and $2.75\,\text{inches}$.

Food Security

Access at all times to a sufficient, safe, and nutritious supply of food required for an active and healthy life.

Food Jag

A common feeding behavior in toddlers where a child will only eat one specific food or a very limited selection of foods meal after meal.

Toddler Portion Size Guideline

The standard rule of thumb for serving sizes in young children, averaging $1\,\text{tablespoon}$ of each food per year of age.

Streptococcus mutans

The primary bacterium responsible for dental caries in children, often exacerbated by bedtime bottles containing milk or juice and sticky carbohydrate snacks.

Pediatric Constipation

A condition characterized by hard, dry stools associated with painful bowel movements, frequently triggered by 'stool holding' and insufficient dietary fiber and fluid intake.

FightBAC!

A consumer food safety campaign highlighting four primary steps to prevent foodborne illness: Clean (wash hands/surfaces), Separate (prevent cross-contamination), Cook (reach proper temperatures), and Chill (refrigerate promptly).

WIC Farmers' Market Nutrition Program

A specialized seasonal initiative providing participants of the WIC program with coupons/vouchers to buy fresh, locally grown fruits and vegetables at farmers' markets.

Infant Mortality Rate

The number of infant deaths within the first year of life, which serves as a major national indicator of health, maternal care, access to medical treatment, and socioeconomic wellbeing.

Low Birthweight (LBW)

An infant birthweight classification defined as less than $2500\,\text{grams}$ ($< 5.5\,\text{lbs}$).

Very Low Birthweight (VLBW)

An infant birthweight classification defined as less than $1500\,\text{grams}$ ($< 3.3\,\text{lbs}$).

Extremely Low Birthweight (ELBW)

An infant birthweight classification defined as less than $1000\,\text{grams}$ ($< 2.2\,\text{lbs}$).

Appropriate for Gestational Age (AGA)

An infant whose birth measurements (weight, length, and head circumference) plot between the $10\text{th}$ and $90\text{th}$ percentiles on gestational age growth curves.

Small for Gestational Age (SGA)

An infant whose birthweight, length, or head circumference plots below the $10\text{th}$ percentile for gestational age.

Large for Gestational Age (LGA)

An infant whose birthweight plots above the $90\text{th}$ percentile for gestational age.

Rooting Reflex

An infant reflex where stroking the cheek causes the baby to turn their head toward that side and open their mouth to find the nipple.

Extrusion Reflex

An infantile reflex where the tongue automatically pushes forward to expel solid items placed in the mouth; strong during the first $2\text{ to }3\,\text{months}$, fades around $3.5\text{ to }4\,\text{months}$, and persists longer in infants with Down syndrome.

Moro Reflex

An infant reflex where a sudden loss of support or loud sound causes the baby to throw out their arms and rapidly bring them back inward as if embracing.

Babinski Reflex

An infantile reflex in which stroking the outer sole of the foot causes the baby's toes to fan outward and upward.

Colic

A condition in healthy, well-fed infants characterized by excessive, inconsolable crying and irritability, often linked to gastrointestinal discomfort or trapped gas.

Standard Term Formula Caloric Density

The standard energy density of prepared term infant formula, which contains $20\,\text{kcal/oz}$ (equivalent to $0.67\,\text{kcal/mL}$).

Powdered Infant Formula Reconstitution

The standard mixing proportion of dry powdered infant formula, which requires $1\,\text{unpacked scoop}$ of powder per $2\,\text{ounces}$ of water.

Liquid Concentrate Formula Reconstitution

The standard mixing proportion of liquid concentrate formula, requiring a $1:1$ ratio of $1\,\text{ounce}$ liquid concentrate to $1\,\text{ounce}$ water.

Goat's Milk Risks in Infancy

Nutritional deficiencies and risks associated with feeding goat's milk to infants, specifically severe lack of vitamin B12 and folate, and a high cross-reactivity rate (up to $50\%$) in children allergic to cow's milk protein.

Pincer Grasp

A fine motor skill emerging around $9\text{ to }12\,\text{months}$ where an infant picks up small finger foods using only the thumb and index finger.

Preterm Infant Energy Requirement (<34 weeks)

The elevated caloric intake recommended by the AAP for premature infants born before 34 weeks of gestation, established at $105\text{ to }130\,\text{kcal/kg/day}$.

Preterm Infant Protein Requirement (<34 weeks)

The heightened dietary protein intake needed to support growth and repair in premature infants under 34 weeks gestation, established at $2\text{ to }3\,\text{g protein/kg/day}$.

Corrected Age

The chronological age of a preterm infant adjusted for prematurity by subtracting weeks of prematurity ($40\,\text{weeks} - \text{gestational age at birth}$) from the post-birth age; used on growth charts until age 2.

Medium-Chain Triglycerides (MCTs)

Fats containing 6 to 12 carbons that do not require bile salts or pancreatic lipase for digestion; routinely added to preterm infant formulas to ensure efficient caloric absorption.

Colostrum

The thick, yellowish first milk secreted from birth through days 3 to 5; high in protein and immunoglobulins (such as secretory IgA) and low in fat and carbohydrates, with natural laxative properties that facilitate meconium excretion.

Mature Breast Milk

Human milk produced from roughly day 5 onward; bluish-white and composed of $88.1\%$ water, $3.8\%$ fat, $0.9\%$ protein, and $7.0\%$ lactose.

Prolactin

A hormone synthesized and released by the anterior pituitary gland that stimulates milk synthesis and secretion within alveolar epithelial cells.

Oxytocin

A hormone produced by the hypothalamus and secreted by the posterior pituitary gland that triggers milk letdown (ejection) by contracting the myoepithelial cells surrounding the alveoli.

Secretory IgA (sIgA)

The primary immunoglobulin in human colostrum and mature milk that protects neonatal mucosal surfaces from microbial invasion by inhibiting bacterial adhesion.

Metabolic Cost of Lactation

The maternal caloric expenditure required to support daily breast milk production ($19\text{ to }30\,\text{ounces/day}$), demanding approximately $380\text{ to }600\,\text{extra kcal/day}$ and an additional $25\,\text{g}$ of dietary protein daily.

Contraindications to Breastfeeding (U.S.)

Specific maternal health conditions in high-income settings where breastfeeding is medically unsafe: untreated active tuberculosis, active chemotherapy treatment, illicit substance use, and maternal HIV/AIDS infection.

International Board-Certified Lactation Consultant (IBCLC)

A credentialed healthcare professional specializing in the clinical management of breastfeeding and lactation support.