response: Hey sure!  Fertility factors can determine the likely number of children a person will have.
original_response: Whoa 8!!! Fertility factor has to do with how likely a person is to have children.
history: I grew up with 8 older siblings, pretty crazy right? I think it has something to do with a fertility factor, but I have no idea what that is really, can you explain it?
knowledge: Fertility factors are determinants of the number of children that an individual is likely to have.