With LANGE Q&A Obstetrics & Gynecology, you have the power to turn study anywhere, anytime. Tired of lugging around heavy textbooks and review guides? Let this premium study tool lighten your load. With questions and detailed answers covering topics included in the USMLE Step 2 and Ob Gyn clerkship exams, this resource is a great place to start your test prep.

Test your overall knowledge by answering randomly generated questions from each category or target areas of weakness by focusing on a specific category.

Install the free version today and jumpstart your studying!
We have provided a limited free version of the content that you can try before deciding to upgrade. This version includes a limited amount of practice questions and basic progress metrics.

Get your best value by upgrading to the Premium Version with a one time, in-app purchase. The Premium Version includes lifetime access to:

• 1128 practice questions with detailed explanations
• Unlimited access to ALL categories:
• Obstetrics
• Fetal Maternal Medicine
• Pathology
• Endocrinology
• 1 comprehensive practice test containing 150 additional questions
• Detailed results tracking measuring your strongest and weakest areas


This dynamic study guide allows you to flag questions as you go, for easier review of problem areas. By offering a rigorous review of key concepts and facts, LANGE Ob Gyn Q&A gives you the knowledge you need to master the USMLE Step 2 and Ob Gyn boards to begin a rewarding professional career.

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About the Authors:

Vern L. Katz, MD
Clinical Professor
Department of Obstetrics and Gynecology
Oregon Health Science University
Medical Director, Perinatal Services
Sacred Heart Medical Center
Eugene, Oregon

Sharon Phelan, MD
Professor of Obstetrics & Gynecology
School of Medicine
Department of Obstetrics and Gynecology
University of New Mexico
Albuquerque, New Mexico

Vicki Mendiratta, MD
Associate Professor
Department of Obstetrics and Gynecology
University of Washington School of Medicine
Seattle, Washington

Roger P. Smith, MD
The Robert A. Munsick Professor of Clinical
Obstetrics & Gynecology
Director, Medical Student Education
Director, Division of General Obstetrics & Gynecology
Department of Obstetrics and Gynecology
Indiana University School of Medicine
Indianapolis, Indiana