Looking on the internet deeply has found these results:

In my childhood is the most popular phrase on the web.

at my childhood 1344,000 results on the web	In my childhood 113,700,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I spent so much of my childhood at that hospital. This is like looking back at my childhood but, you know, a time before rainbows became political. At the market of my childhood, people had mouths I just spent half my childhood at Mo's house. Back then, at the time of my childhood, many of us were joking about it. Are you laughing at my childhood tragedy? My father was at his peak during my childhood. That's my childhood friend Angela.	rooted in my childhood and... Actually, it was one of the rare occasions in my childhood that Walter was helpful. Everything is the same as in my childhood. And there, I started by searching for the footprints in my childhood. My therapist thinks that it's very deep Whenever I think of happy times in my childhood, I see a certain image. In my childhood, parents were not so softhearted. Richard looked like all that had been missing in my childhood.

at my childhood

1344,000 results on the web

In my childhood

113,700,000 results on the web

More popular!

I spent so much of my childhood at that hospital.
This is like looking back at my childhood but, you know, a time before rainbows became political.
At the market of my childhood, people had mouths
I just spent half my childhood at Mo's house.
Back then, at the time of my childhood, many of us were joking about it.
Are you laughing at my childhood tragedy?
My father was at his peak during my childhood.
That's my childhood friend Angela.

rooted in my childhood and...
Actually, it was one of the rare occasions in my childhood that Walter was helpful.
Everything is the same as in my childhood.
And there, I started by searching for the footprints in my childhood.
My therapist thinks that it's very deep
Whenever I think of happy times in my childhood, I see a certain image.
In my childhood, parents were not so softhearted.
Richard looked like all that had been missing in my childhood.