This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to get birth control without parents knowing
Be informed about your rights.
Research minor consent laws in your states. Many methods of obtaining birth control requires a visit to a physician.

Choices: (I) Often, the physician would want to practice this practice and ask for permission before practicing. The hospital will have documents showing you're a minor.; (II) In some states, your parent may guide you through this process. It is also illegal to drink alcohol, take drugs, or engage in other illegal activities.; (III) Teens under the age of 18 may have to obtain parental permission or the physician may have the right to notify the parents. In many states, teens 16 years of age and older can go to the doctor without parental consent.; (IV) If you are underage, you may be subject to skin or urine testing to ensure you have the right type of birth control. Also be aware that it can be difficult to have sex with an adult without consent.;
The answer is:
(III)