SMy mother replied: "Because I was not pregnant at that time." I was suddenly dumbfounded: isn't she and thought to myself isn't this woman my real mother? My mother replied: "I was not pregnant at that time." I was suddenly dumbfounded and thought to myself isn't this woman my real mother?

My momShe added: "At that moment, I heard the sound of an explosive souon, and, then the fire wasspread everywhere. I tried .... She added: "At that moment, I heard the sound of an explosion, and then the fire spread everywhere. I tried ....

I combined these two sentences because you are still describing what your mother is saying.

I tried.... to escape from that building, but I found I was pregnant and was goingit was difficult as I was about to give birth." .... to escape from that building, but it was difficult as I was about to give birth."

Shortly after, a fireman saved me and took merushed my mother to the hospital tso she could give birth, and that baby was you."me. Shortly after, a fireman rushed my mother to the hospital so she could give birth, and that baby was me.

This sounds like it is the fireman that is giving birth to you. I changed it for you.

I said to my mom: "This couldn't be impossible, according to the biological rules." I said to my mom: "This couldn't be impossible, according to the biological rules."

I'm not sure what you are trying to say. Sorry.