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Premature birth - Symptoms and causes - Mayo Clinic
Premature Birth > Fact Sheets > Yale Medicine
Premature birth - Diagnosis and treatment - Mayo Clinic
Preterm Birth: Premature, Causes, Symptoms & Complications
Prematurity - Stanford Medicine Children's Health
Premature birth - Treatment - Mayo Clinic
Preterm birth - World Health Organization (WHO)
Premature Infant: Causes, Complications, and More - Healthline
Preterm Birth | Maternal and Infant Health - CDC
Premature Birth: Causes, Preemie Effects, Survival - Verywell Health