Section I Abortion in perspective. 1 Abortion and medicine: A sociopolitical history (Carole Joffe PhD). 2 Unsafe abortion: The global public health challenge (Iqbal H. Shah PhD, and Elisabeth Ahman MA) 3 Unintended pregnancy and abortion in the USA: Epidemiology and public health impact (Stanley K. Henshaw PhD) 4 Abortion law and policy in the USA (Bonnie Scott Jones JD, and Jennifer Dalven JD). Section II Pre-procedure care. 5 Informed consent, patient education, and counseling (Anne Baker MA, and Terry Beresford BA) 6 Clinical assessment and ultrasound in early pregnancy (Steven R. Goldstein MD, and Matthew F. Reeves MD, MPH). 7 Medical evaluation and management (Anne Davis MD, MPH, and Thomas Easterling MD). 8 Pain management (Mark Nichols MD, Glenna Halvorson-Boyd PhD, RN, Robert Goldstein MD, Clifford Gevirtz MD, MPH and David Healow MD). Section III Abortion methods and techniques. 9 Medical abortion in early pregnancy (Mitchell D. Creinin MD, and Kristina Gemzell Danielsson MD, PhD). 10 First-trimester aspiration abortion (Karen Meckstroth MD, MPH, and Maureen Paul MD, MPH). 11 Dilation and evacuation (Cassing Hammond MD, and Stephen Chasen MD). 12 Medical methods to induce abortion in the second trimester (Nathalie Kapp MD, MPH, and Helena von Hertzen MD, DDS). 13 The challenging abortion (Lynn Borgatta MD, MPH, and Phillip G. Stubblefield MD). Section IV Post-procedure care. 14 Contraception and surgical abortion aftercare (Eve Espey MD, MPH, and Laura MacIsaac MD, MPH). 15 Surgical complications: Prevention and management (E. Steve Lichtenberg MD, MPH, and David A. Grimes MD). 16 Answering questions about long-term outcomes (Carol J. Rowland Hogue PhD, MPH, Lori A. Boardman MD, and Nada Stotland MD, MSc, MPH). Section V Management of abnormal pregnancies. 17 Pregnancy loss (Alisa B. Goldberg MD, MPH, Daniela Carusi MD, MSc, and Carolyn Westhoff MD). 18 Ectopic pregnancy (Jennifer L. Kulp MD, and Kurt T. Barnhart MD, MSCE). 19 Gestational trophoblastic disease (Neil J. Sebire MD, and Michael J. Seckl MD, PhD). 20 Abortion for fetal abnormalities or maternal conditions (Jeffrey S. Dungan MD, and Lee P. Shulman MD). 21 Multifetal pregnancy reduction and selective termination (Mark I. Evans MD, and David W. Britt PhD). Section VI Abortion service delivery. 22 Providing abortion in low-resource settings (Laura Castleman MD, MPH, MBA, Beverly Winikoff MD, MPH, and Paul Blumenthal MD, MPH). 23 Ensuring quality care in abortion services (Beth Kruse MS, CNM, ARNP, and Carla Eckhardt CPHQ). Appendix: Resources for abortion providers (Melissa Werner MPH, MAT).