It also requires parental consent if you aren't 18.
If you are under 18 and have no income then planned parenthood does a lot of its services for free. If you are under 18 and have a job then they usually take a small amount and if you are over 18 then they charge based on your income level.
Everything costs money. Planned Parenthood does pay based on a sliding scale of your income.
Does getting prenatal vitamins cost? Or pregnancy tests?
It depends on your age, what you make and what you are going in for. Birth control is either free or low cost.