16 Pages of must know OB information. I know OB is most of us worst subject in nursing school however you need to pass it to finish. Congratulations on your exam . I Congratulatd you because I know you will pass if you purchase this indept 16 page study guide, you will be fine. You can also check out my YouTube channel @iamjustgeorgiak. I do have a nursing school playlist that I think will be beneficial.