Which would the nurse assess as being most at risk for altered family health?

An unmarried adolescent with a newborn represents the highest risk for altered family health among the options given. This situation combines multiple compounding stressors: the developmental stage of adolescence, which involves incomplete emotional and cognitive maturity; the financial and social instability typically associated with teen parenthood; lack of an established support partner; and the demanding physical and emotional requirements of caring for a newborn. These factors together significantly increase the risk for altered family health, including difficulties with bonding, parenting skill deficits, financial hardship, and social isolation. A middle-aged man and woman with no children may face stressors related to life choices or infertility but do not carry the acute vulnerabilities of the adolescent parent scenario. A newly married couple seeking birth control information represents proactive, responsible health-seeking behavior and does not indicate risk. An older adult living in an assisted-living community has access to institutional support and is in a structured care environment, which mitigates many individual risk factors. Therefore, the combination of youth, single-parent status, and the demands of newborn care places the unmarried adolescent at greatest risk for altered family health.