(BBC News) Amy O'Riordan went into labour at her Middlesbrough home and delivered Jessie who was not breathing.
She dialled 999 and a team of paramedics arrived and battled to revive Jessie.
Mother and baby were taken to James Cook Hospital where Jessie, now a month old, is on oxygen but is "thriving".
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Ms O'Riordan said she was in bed with partner Mark when she felt a few twinges and Jessie was born after just a couple of pushes.
She said: "I couldn't believe that I felt the need to push and ended up delivering Jessie so fast: we were in shock and called 999 for help.