EVALUATE THIS:
Some people may choose not to have children.

Some people may choose not to have children because it may be the way they were raised.

Some people may choose to not have children for various reasons:

1) They may have went through childhood trauma and do not want to put their child through what they went through.

2) Personal choice

3) They may choose not to have children because they are not financially stable to take care of a child. Children are human beings and need to be cared for and they may not be financially able to take care of one.

Olfactory epithelium i believe