Extract LIFE and MEDICAL HISTORY events from this medical document. Return a JSON array or null. This is for biographical and perinatal events: premature birth, NICU stays, developmental milestones, accidents, major life events that affected health. Do NOT extract diseases/conditions here — those belong in diagnoses. Do NOT extract surgeries here — those belong in procedures. Do NOT extract hospital admissions — those belong in hospitalizations. If the document does not mention any historical life events, return null. Each entry: - type: "perinatal", "developmental", "accident", "event" - value: (empty) - summary: event + time, e.g. "Premature birth at 26 weeks, Feb 2020" - timestamp: "YYYY-MM-DD" if date mentioned - data: {"event": "...", "age_at_event": "...", "details": "..."} Document: {{MARKDOWN}}