Physiological: acute illness, infection, surgery, trauma, medications, loss of mobility, decreased activity tolerance, hormonal changes and alcohol or substance abuse
Psychological: fear, anxiety, fatigue, mental health, reproductive health concerns and adverse childhood events. Alteration in body image, role confusion, personal conflicts
Maturational: changes associated with aging. Lack of general social skills interfere with establishing intimate relationships
Environmental: Pollutants and chemicals, social isolation, absence of partner or lack of privacy