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The integrity of the milk was affected similarly by the two thawing and warming methods. Thawing and warming change the integrity of previously frozen human milk, but not adversely. Concerns about maintaining warmed milk at room temperature need to be explored.

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A 30+6/7-week infant was born by vaginal delivery to a 21-year-old primigravida with pregnancy complicated by polyhydramnios. The infant developed polyuria and significant weight loss in the first 2 weeks of life despite appropriate fluid management. He developed hyponatraemia, hypochloraemia, transient hyperkalaemia and prerenal azotaemia with metabolic acidosis. On further evaluation, he had elevated plasma renin and aldosterone levels. Bartter syndrome was considered in the differential diagnosis. Bartter syndrome gene panel revealed a rare compound heterozygous mutation in exon 2 of the KCNJ1 gene (Lys186Glu/Thr71Met), suggesting antenatal Bartter syndrome (type 2). The infant developed late-onset hypokalaemia and metabolic alkalosis by week 4 of life. He regained birth weight by week 3 of life but failed to thrive (10–20 g/kg/day) despite high caloric intake (140 kcal/kg/day). His electrolyte abnormalities gradually improved, and he was discharged home without the need for electrolyte supplements or medications.

Background:: Hepatitis C virus infection is a leading cause of blood-borne hepatitis disease worldwide. Hepatitis C is a silent liver disease that, without treatment, leads to late-onset complications, including chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma, in 10–40% of patients. Objective:: This study aimed to review the epidemiology, clinical features, diagnosis, treatment, and prevention of hepatitis C among perinatally exposed children. Methods:: Public databases, including MEDLINE and PubMed, and websites from the Centers for Disease Control and Prevention, the Food and Drug Administration, the World Health Organization, and the National Institutes of Health were searched for relevant articles published between 2006 and 2021. Results:: The prevalence of hepatitis C has increased among women of childbearing age in the United States and is associated with risk factors such as intravenous drug use, health inequities, and low socioeconomic background. Infants born to hepatitis C virus-infected mothers have a 6% risk of vertical transmission, and among those infected, 75% will develop chronic hepatitis C and late complications. However, hepatitis C-exposed infants are frequently lost to follow-up, and those infected have delayed diagnosis and treatment and are at high risk for late-onset complications. Direct-acting antivirals and the establishment of effective treatment guidelines cure hepatitis C virus infections. Conclusion:: Hepatitis C predominantly affects underserved communities. Early screening of mothers and infants is critical for the diagnosis, treatment, and prevention of chronic infections and late-onset complications. New policies are needed to address hepatitis C health care inequities affecting mothers and infants in the United States.