Contraception
Volume 81, Issue 3 , Pages 240-244 , March 2010

A comparison of transabdominal and transvaginal ultrasonography for determination of gestational age and clinical outcomes in women undergoing early medical abortion

  • Patricia A. Lohr

      Affiliations

    • bpas, CV37 9BF Stratford Upon Avon, UK
    • ,
  • Matthew F. Reeves

      Affiliations

    • Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    • ,
  • Mitchell D. Creinin

      Affiliations

    • Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    • Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA 15213, USA
    • Corresponding Author InformationCorresponding author. Magee Women's Hospital, Pittsburgh, PA 15213-3180, USA. Tel.: +1 412 641 1403; fax: +1 412 641 1133.

Received 8 June 2009 ,Revised 14 October 2009 ,Accepted 15 October 2009.

References 

  1. National Abortion Federation . Clinical policy guidelines. Washington (DC): National Abortion Federation; 2007;
  2. Royal College of Obstetricians & Gynaecologists . The care of women requesting induced abortion. London: Royal College of Obstetricians & Gynaecologists; 2004;
  3. American College of Obstetrics & Gynecology . ACOG practice bulletin 67: medical management of abortion. Obstet Gynecol. 2005;106:871–882
  4. Schaff EA, Fielding SL, Westhoff C, et al. Vaginal misoprostol administered 1, 2, or 3 days after mifepristone for early medical abortion: a randomized trial. [erratum appears in JAMA 2000 Nov 22–29;284(20):2597] JAMA. 2000;284:1948–1953
  5. Creinin MD, Fox MC, Teal S, et al. A randomized comparison of misoprostol 6 to 8 hours versus 24 hours after mifepristone for abortion. Obstet Gynecol. 2004;103:851–859
  6. Creinin MD, Schreiber CA, Bednarek P, Lintu H, Wagner MS, Meyn LA. Mifepristone and misoprostol administered simultaneously versus 24 hours apart for abortion: a randomized controlled trial. Obstet Gynecol. 2007;109:885–894
  7. Rossavik IK, Torjusen GO, Gibbons WE. Conceptual age and ultrasound measurements of gestational sac and crown-rump length in in vitro fertilization pregnancies. Fertil Steril. 1988;49:1012–1017
  8. Goldstein SR, Wolfson R. Endovaginal ultrasonographic measurement of early embryonic size as a means of assessing gestational age. J Ultrasound Med. 1994;13:27–31
  9. Acharya G, Haugen M, Brathen A, Nilsen I, Maltau JM. Role of routine ultrasonography in monitoring the outcome of medical abortion in a clinical setting. Acta Obstet Gynecol Scand. 2004;83:390–394
  10. Robinson HP. Sonar measurement of fetal crown-rump length as means of assessing maturity in first trimester of pregnancy. BMJ. 1973;4:28–31
  11. Hellman LM, Kobayashi M, Fillisti L, Lavenhar M, Cromb E. Growth and development of the human fetus prior to the twentieth week of gestation. Am J Obstet Gynecol. 1969;103:789–800
  12. Coleman BG, Arger PH, Grumbach K, et al. Transvaginal and transabdominal sonography: prospective comparison. Radiology. 1988;168:639–643
  13. Jain KA, Hamper UM, Sanders RC. Comparison of transvaginal and transabdominal sonography in the detection of early pregnancy and its complications. AJR. 1988;151:1139–1143
  14. Pennell RG, Needleman L, Pajak T, et al. Prospective comparison of vaginal and abdominal sonography in normal early pregnancy. J Ultrasound Med. 1991;10:63–67
  15. Lohr PA, Reeves MF, Hayes JL, Harwood B, Creinin MD. Oral mifepristone and buccal misoprostol administered simultaneously for abortion: a pilot study. Contraception. 2007;76:215–220
  16. Keys A, Fidanza F, Karvonen MJ, Kimura N, Taylor HL. Indices of relative weight and obesity. J Chronic Dis. 1972;25:329–343
  17. Cleveland WS, Devlin SJ. Locally weighted regression: an approach to regression analysis by local fitting. J Am Statist Assn. 1988;83:596–610
  18. Hamoda H, Ashok PW, Flett GM, Templeton A. Medical abortion at 9-13 weeks' gestation: a review of 1076 consecutive cases. Contraception. 2005;71:327–332
  19. Reeves MF, Kudva A, Creinin MD. Medical abortion outcomes after a second dose of misoprostol for persistent gestational sac. Contraception. 2008;78:332–335
  20. Henderson JT, Hwang AC, Harper CC, Stewart FH. Safety of mifepristone abortions in clinical use. Contraception. 2005;72:175–178
  21. Hausknecht R. Mifepristone and misoprostol for early medical abortion: 18 months experience in the United States. Contraception. 2003;67:463–465

☆ Presented in part as a poster abstract at Reproductive Health 2007, the Annual Meeting of the Association of Reproductive Health Professionals and Society of Family Planning, Minneapolis, MN, USA, September 27–29, 2007.

☆☆ This study was funded by an anonymous foundation.

PII: S0010-7824(09)00454-5

doi: 10.1016/j.contraception.2009.10.008

Contraception
Volume 81, Issue 3 , Pages 240-244 , March 2010

Article Tools

* Image Usage & Resolution