import json

data = {
 "topic": "Breastfeeding Jaundice",
 "slug": "breastfeeding-jaundice",
 "category_id": 15637,
 "summary": "Breastfeeding jaundice (suboptimal intake jaundice) is early-onset neonatal hyperbilirubinemia from inadequate milk intake and dehydration, distinct from the later, benign breast milk jaundice syndrome caused by factors in mature milk itself.",
 "written_by": "claude-sonnet",
 "references": [
  {"title": "Pediatric Nutrition Handbook", "author": "Kleinman, Ronald E.", "pages": [98, 99]},
  {"title": "Kliegman R. Nelson Textbook of Pediatrics 2-Volume Set 22ed 2024", "author": None, "pages": [458, 1122, 1123]},
  {"title": "Ghai Essential Pediatrics, 9e (Vinod K Paul, Arvind Bagga)", "author": "CamScanner", "pages": [180, 182]},
  {"title": "Update in Pediatrics", "author": None, "pages": [456]},
  {"title": "CURRENT Diagnosis and Treatment Pediatrics, Twenty-Fourth Edition", "author": "Hay, William W., Levin, Myron J., Deterding, Robin R., Abzug, Mark J.", "pages": [325]},
  {"title": "Pediatric Nutrition (Ronald E. Kleinman, Frank R. Greer)", "author": None, "pages": [78]},
  {"title": "Berkowitz's Pediatrics", "author": "Berkowitz, Carol D.;", "pages": [964]},
  {"title": "Gomella's Neonatology: Management, Procedures, On-Call Problems, Diseases, and Drugs, Eighth Edition", "author": "Tricia Lacy Gomella, Fabien G. Eyal and Fayez Bany-Mohammed", "pages": [580]}
 ],
 "short": [
  {"title": "In short", "content": (
   "- Jaundice associated with breastfeeding falls into two distinct entities: breastfeeding jaundice (also called suboptimal intake jaundice, breast-nonfeeding jaundice, or dehydration jaundice) and breast milk jaundice (breast milk jaundice syndrome) - they have different timing, mechanisms, and management\n"
   "- Breastfeeding jaundice occurs in the FIRST WEEK of life, driven by insufficient milk intake, decreased stooling, dehydration, and excessive weight loss - it behaves like a form of starvation jaundice and is similar to exaggerated physiologic jaundice\n"
   "- It is a common reason for hospital readmission of near-term/term infants; in one large study, almost all infants readmitted for severe jaundice were breastfed, implicating poor breastfeeding management as a major contributing factor\n"
   "- Mechanism: inadequate milk intake causes intestinal stasis, allowing intestinal beta-glucuronidase to deconjugate bilirubin, which is then reabsorbed via an exaggerated enterohepatic circulation\n"
   "- Total bilirubin in severe breastfeeding jaundice can reach 25 mg/dL or greater; other causes (ABO incompatibility, urinary tract infection, ongoing hemolysis) can worsen severity and should be considered\n"
   "- Breast milk jaundice, by contrast, develops LATER - typically becoming evident after day 5-7, peaking in the second to third week, and affects roughly 2-4% of exclusively breastfed term infants (with one source citing up to 1%)\n"
   "- Breast milk jaundice occurs in thriving, well-fed, normally developing infants with adequate weight gain; peak unconjugated bilirubin can reach 10-30 mg/dL and, if breastfeeding continues, gradually declines but may persist for 3-10 weeks (up to about 3 months)\n"
   "- Breast milk jaundice is thought to relate to substances in mature milk (e.g., beta-glucuronidase, pregnanediol, free fatty acids) that inhibit bilirubin conjugation or increase enterohepatic recirculation; the exact factor is not fully identified\n"
   "- Management differs: breastfeeding jaundice is managed by increasing nursing frequency, augmenting with breast pumping, and supplementing with expressed breast milk, donor milk, or formula if intake is inadequate - without unnecessarily reducing milk production; breast milk jaundice, being benign, may just require reassurance, though temporary cessation of breastfeeding (with pumping to maintain supply) can be used diagnostically/therapeutically in some approaches\n"
   "- Any jaundice persisting beyond 2 weeks, direct/conjugated hyperbilirubinemia, or jaundice with acholic stools and dark urine requires evaluation for other causes such as biliary atresia - a conjugated bilirubin greater than 1.5 mg/dL or more than 20% of total bilirubin warrants liver disease workup"
  )}
 ],
 "long": [
  {"title": "Definition", "content": (
   "Jaundice associated with breastfeeding is not a single entity but two distinct clinical syndromes with different timing and mechanisms. Breastfeeding jaundice (also termed suboptimal intake jaundice, dehydration jaundice, breast-nonfeeding jaundice, or nonbreastfeeding jaundice) presents in the first week of life and results from insufficient milk intake and dehydration - it is essentially a form of exaggerated physiologic jaundice related to inadequate feeding rather than to breast milk itself. Breast milk jaundice (breast milk jaundice syndrome) is a separate, later-onset disorder causing persistently elevated unconjugated bilirubin in thriving, well-fed, healthy infants, attributed to factors within mature breast milk."
  )},
  {"title": "Epidemiology", "content": (
   "Severe jaundice is the most common reason for hospital readmission of near-term and term infants after delivery, and breastfed infants make up a disproportionate share of these readmissions - in one large study, almost all infants readmitted for severe jaundice were being breastfed, implicating suboptimal breastfeeding management as a major contributor. Jaundice in breastfed infants more broadly appears between 24 and 72 hours of age, peaks by day 5-15, and typically disappears by the third week of life; roughly one-third of breastfed infants have mild clinical jaundice detectable in the third week, which can persist into the second or third month in a small subset. Breast milk jaundice specifically is estimated to affect approximately 2-4% of exclusively breastfed term infants beyond the third to fourth week of life (one source cites a lower estimate of about 1% of newborns fed breast milk exclusively)."
  )},
  {"title": "Etiology", "content": (
   "Breastfeeding jaundice results from insufficient milk production and/or poor milk intake by the infant in the first week of life, leading to dehydration, weight loss, and failure to gain weight; it is closely tied to breastfeeding technique and management rather than to any property of the milk itself. Breast milk jaundice, in contrast, is caused by factors intrinsic to mature breast milk - implicated contributors include inhibitors of glucuronyl transferase (the enzyme responsible for bilirubin conjugation), and substances such as pregnanediol and free fatty acids that may interfere with bilirubin conjugation; a genetic predisposition has also been suggested in the literature, though the precise causative factor in human milk has not been definitively identified."
  )},
  {"title": "Pathophysiology", "content": (
   "In breastfeeding jaundice, inadequate milk intake causes intestinal milk stasis; this favors intestinal beta-glucuronidase activity, which cleaves conjugated bilirubin back to its unconjugated form within the gut, allowing it to be readily reabsorbed via an exaggerated enterohepatic circulation of bilirubin - a mechanism analogous to starvation jaundice in adults. In breast milk jaundice, the mechanism is different: components of mature breast milk (glucuronyl transferase inhibitors, or agents that promote intestinal reabsorption of bilirubin) lead to enhanced absorption of bilirubin from the gut and/or reduced hepatic conjugation, in a well-fed infant without the dehydration/caloric deprivation seen in breastfeeding jaundice."
  )},
  {"title": "Clinical features", "content": (
   "Breastfeeding jaundice presents within the first week of life with a rising total serum bilirubin, evidence of decreased maternal milk production and/or poor infant intake, and clinical signs of dehydration, weight loss, or failure to gain weight; total bilirubin in severe cases can reach 25 mg/dL or higher. Breast milk jaundice, by contrast, becomes evident later - after the fifth to seventh day of life, peaking during the second to third week - in an infant who is otherwise healthy, feeding well, and gaining weight appropriately; peak unconjugated bilirubin concentrations can reach 10-30 mg/dL, and if breastfeeding continues, levels gradually decline but jaundice may persist at lower levels for 3-10 weeks, occasionally as long as about 12 weeks."
  )},
  {"title": "Diagnostics", "content": (
   "Distinguishing the two conditions relies on timing and the infant's overall clinical status: breastfeeding jaundice presents early with signs of dehydration and poor intake, while breast milk jaundice presents later in a thriving infant. All infants with a presumptive diagnosis of breast milk jaundice should have total and conjugated (direct) serum bilirubin measured after the third week of life to rule out other causes of hyperbilirubinemia and cholestasis; if the conjugated bilirubin is greater than 1.5 mg/dL or exceeds 20% of the total bilirubin, evaluation for underlying liver disease is warranted. Jaundice persisting beyond 2 weeks, or associated with acholic stools and dark urine, is concerning for biliary atresia and requires immediate diagnostic evaluation including direct bilirubin determination. In infants with breastfeeding jaundice, total serum bilirubin and conjugated bilirubin should be monitored serially, and other causes of jaundice (hemolytic disease, infection, metabolic disease) should be actively considered rather than assumed away."
  )},
  {"title": "Treatment", "content": (
   "Breastfeeding jaundice is managed by improving breastfeeding effectiveness: increasing nursing frequency, augmenting infant sucking with regular breast pumping, and establishing a good milk supply; if intake still appears inadequate, if weight loss is excessive, or if the infant appears dehydrated, supplementation with expressed maternal milk, donor milk, or formula is appropriate - but should be done carefully to avoid further reducing breast milk production. Breastfed infants should be managed using the same intervention criteria (phototherapy, exchange transfusion thresholds) as formula-fed infants per AAP guidance, and can generally continue breastfeeding throughout treatment. Breast milk jaundice, being a generally benign condition in a thriving infant, may require only reassurance of the family in most cases; phototherapy can be of benefit if bilirubin levels are high. In some management approaches, jaundice attributed to breast milk itself has been treated with a temporary interruption of breastfeeding (with maternal expression and storage of milk to preserve supply), resuming once bilirubin normalizes, though continued breastfeeding with close monitoring is also an accepted approach in a well infant with adequate levels."
  )},
  {"title": "Complications", "content": (
   "Because many infants with severe hyperbilirubinemia and/or kernicterus are near-term breastfed infants, breastfeeding jaundice specifically carries real risk if unrecognized or inadequately managed - severe, prolonged hyperbilirubinemia can progress to kernicterus. Kernicterus can also occur, though it is very uncommon, in infants with breast milk jaundice. This underscores why distinguishing the two entities matters clinically: breastfeeding jaundice requires prompt attention to feeding and hydration to prevent dangerous bilirubin elevations, while breast milk jaundice in a thriving infant is typically benign but still warrants bilirubin monitoring and exclusion of other causes."
  )}
 ],
 "clinical": [
  {"title": "Approach at the bedside", "content": (
   "In a jaundiced neonate in the first week of life, first assess feeding adequacy and hydration status: weight loss, decreased stool/void frequency, and a history of poor milk supply or poor latch point toward breastfeeding jaundice. Manage this by intensifying breastfeeding support - more frequent nursing, breast pumping to augment supply and stimulate production, and lactation consultation - and supplement with expressed breast milk, donor milk, or formula if intake remains inadequate or weight loss is excessive, being careful not to undermine the mother's milk supply in the process. Apply the same AAP phototherapy/exchange transfusion thresholds used for formula-fed infants; breastfeeding can typically continue during treatment.\n\nIf jaundice instead becomes evident after the first week in an infant who is thriving, feeding well, and gaining weight appropriately, consider breast milk jaundice syndrome - a generally benign, self-limited condition that can nonetheless persist for weeks. Send total and conjugated bilirubin after 3 weeks of age to exclude other causes; a conjugated fraction over 1.5 mg/dL or more than 20% of total bilirubin, jaundice persisting beyond 2 weeks with acholic stools or dark urine, should prompt urgent evaluation for biliary atresia rather than being attributed to breast milk jaundice. Any infant discharged before 72 hours of age should be reassessed within 48 hours specifically for adequacy of breastfeeding and progression of jaundice, since early detection of breastfeeding jaundice - not sun exposure, which is not an effective treatment - is what prevents progression to dangerous bilirubin levels and kernicterus."
  )}
 ]
}

with open("/tmp/bf-jaundice.article.json", "w") as f:
    json.dump(data, f, indent=1)
print("written")