Last updated on: January 27th, 2021

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A 12-hour-old baby boy is referred for further evaluation after passing red-colored urine. Dipstick testing was positive for hematuria.

He is a first-born, with his mother being 29 years of age. Following an unremarkable antenatal period, he was born at 40 weeks of gestation via an uncomplicated vaginal delivery.

He cried immediately after birth and had Apgar scores of 9, 10, and 10 at 1, 5, and 10 minutes respectively. His birth weight was 3.150 kg. Breastfeeding was established within the first half-hour.

There is no maternal history of miscarriages, bleeding disorders, or other medical conditions. His family history is positive for type 2 diabetes in his grandmother and two uncles.

A complete blood count reveals a WBC count of 6,400/mm3, hemoglobin of 15.2 g/dL, hematocrit of 38%, and platelet count of 150,000/mm3; all of these are within the normal range. Urinalysis shows a field full of red blood cells, with dipstick negativity for nitrites and leukocyte esterase. A coagulation profile demonstrates normal PT, APTT, and TT times.

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