ABP Child Abuse Pediatrics study materials
ABP Child Abuse Pediatrics study resources

Twenty-Month-Old with Growth Faltering, Diluted Formula, and a Nine-Year-Old Caregiver

ABP Child Abuse Pediatrics · Put your knowledge to work in context.

All case studies

Twenty-Month-Old with Growth Faltering, Diluted Formula, and a Nine-Year-Old Caregiver

Leila is 20 months old, brought by her mother to a WIC clinic visit. Weight is at the 1st percentile, down from the 25th at 6 months; length is at the 12th percentile and head circumference at the 50th. She is alert, interactive, cruises, and says three words. The mother, a single parent working two jobs since a layoff five months ago, reports running out of formula and stretching cans with extra water; she gets six cans a month from WIC and has had no well-child visit since 6 months. Immunizations are four months behind. She says her 9-year-old watches Leila after school until 8 p.m. and knows how to make a bottle. The family was recently evicted and is staying with a cousin. The mother is tearful, engaged, and asks for help. There are no injuries and the physical exam is otherwise normal.

1. How do you distinguish neglect from poverty here, and what is your immediate plan?

Read the worked answer

Separate capacity from choice. Neglect is a failure to meet basic needs when a caregiver has, or could reasonably obtain, the means. Poverty is the absence of means. This mother is engaged, sought WIC, and is asking for help; the dilution began after a layoff and eviction. That points first to material hardship, not indifference - but it does not make the child safe.

Immediate plan. Provide formula today from clinic or hospital stock, a feeding plan with measured ounces, and a weight check within a week. Refer for WIC re-certification, SNAP, food pantries, and a home-visiting program. Ask about the cousin's household: crowding, smoking, medications, refrigerator, clean water. Consider brief admission if she is dehydrated or home feeding cannot be assured.

Name the specific hazard. Chronically diluted formula causes water intoxication and hyponatremia as well as calorie deficit. Check sodium and ask about lethargy, seizures, or poor feeding.

Make it measurable. Document cans supplied, ounces taken, and weight at two weeks so the plan is testable rather than aspirational.

2. What is your evaluation for growth faltering, and why does the order of testing matter?

Read the worked answer

Start with the chart, not the lab list. Weight fell from the 25th to the 1st percentile with relative sparing of length and head circumference - a pattern suggesting inadequate caloric intake rather than constitutional or endocrine disease. Calculate weight-for-length and review every prior point.

Targeted workup. CBC, ferritin, CMP including sodium, lead level, TSH, celiac serology, urinalysis, and stool studies as indicated. These screen for treatable contributors and for the consequences of undernutrition. Broad immune or genetic panels before a feeding trial generate false positives and delay the answer.

The definitive test is a calorie trial. Documented intake of roughly 120-150 kcal/kg/day with observed feeding and weekly weights. A child who gains on adequate intake has demonstrated that intake, not disease, was the problem. Failure to gain despite measured adequate intake redirects the workup toward malabsorption, metabolic, cardiac, or renal causes.

Involve others. Nutrition, feeding evaluation if oral-motor concerns exist, and a home visit to observe feeding in context. Ask how the 9-year-old prepares bottles; the quality of feeding may be the mechanism.

3. Would you report to child protective services? What supervisory and medical neglect concerns exist, and how do you report without destroying engagement?

Read the worked answer

Yes, report. Reasonable suspicion exists on two axes: medical neglect (no well-child care since 6 months, immunizations four months behind, untreated growth faltering) and supervisory neglect (a 9-year-old alone with a toddler until 8 p.m., responsible for bottle-feeding). Whether a school-age child can supervise depends on the toddler's needs, the setting, and state guidance; a toddler left for hours with a 9-year-old is not adequate supervision. The eviction adds instability.

Be transparent and non-punitive. Tell the mother you are reporting because Leila needs services she cannot access alone, and that you are sending referrals in parallel. Reports used as threats destroy engagement; reports framed as a route to help preserve it.

Ask for a family assessment, not removal. The risk here is largely material and supervisory and the mother is motivated. Recommend formula, housing assistance, childcare, parenting support, and a written supervision plan.

Do not overlook the 9-year-old. A child caring for a toddler may be parentified and at risk himself; ask the agency to assess him.

Follow up. Weight in one to two weeks, immunization catch-up, and a named clinician. Document the specific deficits and the mother's response.