Outcome Statistics Given to the Respondents for the 3 Baby Scenarios

Gestational Age, wk22 + 4/7a2427–28
Survival, %5–306090–95
Outcome normal, %505070
Major disability, %20–2520–2510–15
Minor disability, %404020
  • Major disabilities: cerebral palsy; blindness; deafness; and major developmental delay. Minor disability: behavioral problems; hyperactivity; and learning disabilities.

  • a Between 22 and 23 weeks's gestation, there are few survivors, and studies give variable outcomes. Outcomes at that gestational age are less reliable then for the other gestational ages.