Which Childbirth Classes?

There are many different types of childbirth and pregnancy related classes. Here are some questions to ask before you sign up for classes.

Who sponsors the classes?
How many classes are there in a series?
Can you visit a class before you decide?
How long is each class?
How many couples are in each class?
Can you bring more than one support person or come alone?
What type of learning techniques are used?
What topics are covered?
Can the instructor provide references?
Where are the classes held?
What do you need to bring?
Is there a cost for classes? If so, will the instructor barter, provide a sliding scale or help file insurance?
Is the instructor certified or affiliated with any organization?