Isn't it typically "teen pregnancy" rather than "teen birth"? Is the nuance between pregnancy and birth significant?
Also, this wording can seem confusing (i.e. you can't give birth to a teen!).
Also, this wording can seem confusing (i.e. you can't give birth to a teen!).
That's true, but if your argument is the lower number of births is due to widespread availability of contraception, you have to address pregnancy and not just births.