Pediatrics All of the following are true about fetal circulation EXCEPT? A Pulmonary vascular resistance is low B Umbilical aeries carry deoxygenated blood C Lungs are collapsed and filled with fluid D source of oxygen in fetal circulation is placenta 💡 Explanation All of the following are true about fetal circulation EXCEPT? ✓ Correct Answer: A. Pulmonary vascular resistance is low