Final answer:
The death of a child is a significant emotional trauma that can lead to the development of conversion disorder by overwhelming an individual's coping mechanisms.
Step-by-step explanation:
Conversion disorder, also known as functional neurological symptom disorder, is a condition where patients experience neurological symptoms that can't be traced back to a medical cause. Symptoms often arise in response to stressful situations or emotional conflicts. Among the given options, the death of a child 2 months ago is a significant emotional stressor and trauma that could potentially lead to the development of conversion disorder. This traumatic experience can overwhelm an individual's coping mechanisms and manifest as physical symptoms without an organic cause.