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Contraception. 2014 Mar;89(3):181-6. doi: 10.1016/j.contraception.2013.10.018. Epub 2013 Nov 12.

A two-pill sublingual misoprostol outpatient regimen following mifepristone for medical abortion through 70 days' LMP: a prospective comparative open-label trial.

Author information

  • 1Gynuity Health Projects, New York, NY 10010, USA. Electronic address: hbracken@gynuity.org.
  • 2Gynuity Health Projects, New York, NY 10010, USA.
  • 3Zhordania Institute of Human Reproduction, Tbilisi, Georgia.
  • 4Central District Maternity House, Odessa, Ukraine.
  • 5Naval Nursing Home, Solapur, India.
  • 6Reproductive Health Consultant, Tunis, Tunisia.
  • 7Government Medical College, Nagpur, India.
  • 8La Rabta Maternity Hospital, Tunis, Tunisia.
  • 9Family Planning Center of Nabeul, Nabeul, Tunisia.
  • 10Gynuity Health Projects, Tbilisi, Georgia.



To test the effectiveness and acceptability of an outpatient medical abortion protocol with 200 mg mifepristone and 400 mcg sublingual misoprostol at 64-70 days' last menstrual period (LMP) and compare it to the already known efficacy of the 57-63 days' LMP gestational age range.


We conducted a prospective, comparative open-label trial in six hospitals and clinics in Ukraine, Georgia, India and Tunisia. We enrolled 714 reproductive age women with pregnancies 57 to 70 days who presented requesting abortion. Medical abortions were managed with the current service delivery protocol (200 mg oral mifepristone followed in 24-48 h by 400 mcg sublingual misoprostol). Data on safety, efficacy and acceptability were collected. The main outcome measure was complete abortion without surgical intervention at any point.


A total of 703 cases were analyzable for efficacy. Success rates did not differ significantly in the two groups [57-63-day group: 94·8%; 64-70-day group: 91.9%; Relative Risk (RR): 0.79 (0.61-1.04)]. Ongoing pregnancy rates also did not differ significantly (57-63 days: 1.8%; 64-70 days: 2.2%; RR: 1.10 (0.65-1.87)].


A medical abortion regimen of 200 mg mifepristone followed in 24-48 h by 400 mcg sublingual misoprostol is effective through 70 days' gestation and may be offered within existing outpatient abortion services.


A regimen of 200 mg mifepristone followed in 24-48 h by 400 mcg sublingual misoprostol is effective up to 70 days' LMP. The findings have important implications for expanding access to outpatient medical abortion services in settings where the cost of misoprostol is of concern or a two-pill misoprostol regimen is the standard of care.

Copyright © 2014 The Authors. Published by Elsevier Inc. All rights reserved.


Mifepristone; Misoprostol; Termination of pregnancy

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