A good class gives you:
time to mentally prepare for what's to come
solid information about how childbirth and breastfeeding work, and what infant care is like
practical tools to help you cope, and work with your partner
information about medical procedures and options, specific to to how things are really done in your zip code,
guidance about how to interact with staff to get the best care and a good experience,
the chance to meet others going through this, laugh a lot, learn a lot and have fun.