The American College of Obstetricians and Gynecologists Ob-Gyns: Download the ACOG app and stay connected with authoritative information from the leading experts in women’s health care. Get valuable tools, resources, and clinical guidelines to help you in your practice. • EDD Calculator – Calculate the due date according to guidelines jointly developed by ACOG, AIUM, and SMFM • Indicated Delivery (ACOG members only) – Provides members with suggestions related to the timing of delivery based o