Letís face it, the norm still today is becoming a parent, so if you choose to not
do so youíre likely to be asked about your reasons and you may have an opportunity to share some of the positives in this life decision. Letís take a look at a few. Are You Missing Out by Not Having Kids? | Psychology Today
I don't have a rule nor books in which I could study where to put the negative word "NOT" in its position, but I guess that the underlined word "NOT" isnít in the right order. I am not saying that "NOT" in the original text is wrong, but I think it is clumsy.
I would write Ė "Choose not to do so."