This article in Mental Health Today deserves a read.
“Armed with this knowledge and information from the psychological field of study, it is clear that the outdated understanding of trauma and PTSD that reduces its application to only: military personnel, veterans and those who have experienced extreme trauma such as rape or torture, is not only restrictive, but incorrect. Most importantly, claiming that those who haven’t been through an ‘obvious’ trauma, cannot develop a trauma disorder, is denying a very real and valid experience.”