Amy Lyttleton, 24, died at her home in St Leonard’s Close, Cockermouth, on November 14 last year.
She had fallen out with her partner and had alcohol and cocaine in her system when she died.
Senior coroner David Roberts heard that Miss Lyttleton had visited her doctor in July 2012, when she was pregnant with her son, suffering from low mood and anxiety.
She was referred to the First Step counselling service but there was no evidence she had taken up the service.
The following summer she returned to her doctor with anxiety and depression, having suffered suicidal thoughts.
Over the months her state of mind fluctuated and she visited her doctor several times and was prescribed antidepressants.
Last October she was referred for a mental health assessment which identified her as having a problem with alcohol but she was unwilling to take up treatment.
An internal review by Cumbria Partnership NHS Foundation Trust after Miss Lyttleton’s death found no fault with the assessment.
Six weeks later Miss Lyttleton, who worked in a phone shop in Workington, took her life.
Mr Roberts recorded a conclusion of suicide.
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