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Premature Birth: Health Risks by Gestational Age and Support for Families

Definition

Preterm birth: <37 weeks gestation.

  • Late preterm: 34–36 weeks
  • Moderate preterm: 32–33 weeks
  • Very preterm: 28–31 weeks
  • Extremely preterm: <28 weeks

Health Risks by Organ System

Long-Term Outcomes

  • Most late preterm (34–36 wks) do well with brief support.
  • Very/extremely preterm: higher rates of neurodevelopmental disability, but majority survive without severe impairment with modern NICU care.
  • Follow-up: developmental screening, early intervention, school support.

Guidance for Parents

  • Engage in care (kangaroo care, diaper changes, feeding when possible).
  • Ask questions; keep a journal.
  • Seek peer support (March of Dimes, Hand to Hold, NICU parent groups).
  • Prepare for discharge: CPR training, equipment, follow-up appointments.
  • Advocate for developmental follow-up clinic.

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SystemComplicationsHighest Risk
RespiratoryRDS, BPD, apnea, need for ventilation/CPAP<28 wks
NeurologicIVH, PVL, cerebral palsy, cognitive delays<32 wks
GINEC, feeding intolerance, reflux<32 wks
CardiovascularPDA, hypotension<28 wks
InfectionSepsis, meningitis (immature immunity)All preterm
MetabolicHypoglycemia, hypocalcemia, jaundiceAll preterm
VisionROP (retinopathy of prematurity)<30 wks / <1500g
RenalElectrolyte/fluid imbalanceExtreme preterm