What could be the cause of a cookie bite loss?

I have had a cookie bite loss in both ears either since birth or since around 5 years old, i have audiograms dating back to nursery age, lucky for me the audiogram has stayed the same for the last 20 years or so.

There are no other members in my family with any hearing loss so surely this cannot be due to genetics?
One audiologist told me that it will be most likely due to complications at birth, so the hair cells in my ears got damaged at birth and then i ended up with this particular hearing loss.

Anyone else have a similar hearing loss and know how they got it?

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  • Hello,

    I just came across your post and am curious if you ever got any answers? I know it’s been over five years since you’ve posted but I thought it was worth a shot.

    I have recently discovered that I have a bilateral “cookie bite” hearing loss and like you, there’s no eveidence of a genetic basis. My only theory for the cause is a possible head injury I sustained as an infant (I fell down the stairs & was kicked in the head by a horse). I was never taken to the hospital or received any formal diagnosis but these are the only events that I can think of that may be contributing factors to my loss. 

    I hope to hear back from you! If anyone else has a similar loss, I would also love to hear from you. I would really like to know what caused my hearing loss. Thank you!