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Intervention Review

20 µg versus >20 µg estrogen combined oral contraceptives for contraception

  1. Maria F Gallo1,*,
  2. Kavita Nanda2,
  3. David A Grimes2,
  4. Laureen M Lopez2,
  5. Kenneth F Schulz3

Editorial Group: Cochrane Fertility Regulation Group

Published Online: 19 JAN 2011

Assessed as up-to-date: 2 NOV 2010

DOI: 10.1002/14651858.CD003989.pub4


How to Cite

Gallo MF, Nanda K, Grimes DA, Lopez LM, Schulz KF. 20 µg versus >20 µg estrogen combined oral contraceptives for contraception. Cochrane Database of Systematic Reviews 2011, Issue 1. Art. No.: CD003989. DOI: 10.1002/14651858.CD003989.pub4.

Author Information

  1. 1

    Centers for Disease Control and Prevention, Division of Reproductive Health, Atlanta, Georgia, USA

  2. 2

    FHI, Clinical Sciences, Research Triangle Park, North Carolina, USA

  3. 3

    FHI, Quantitative Sciences, Research Triangle Park, North Carolina, USA

*Maria F Gallo, Division of Reproductive Health, Centers for Disease Control and Prevention, 4770 Buford Highway, Mail Stop K-34, Atlanta, Georgia, 30341-3724, USA. mgallo@cdc.gov. fjr4@cdc.gov.

Publication History

  1. Publication Status: New search for studies and content updated (no change to conclusions)
  2. Published Online: 19 JAN 2011

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This is not the most recent version of the article. View current version (01 AUG 2013)

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    Current Version

    20 µg versus >20 µg estrogen combined oral contraceptives for contraception

    Maria F Gallo, Kavita Nanda, David A Grimes, Laureen M Lopez and Kenneth F Schulz

    Version of Record online: 1 AUG 2013 | DOI: 10.1002/14651858.CD003989.pub5

Previous versions of this article and their online publication dates

  1. Version 4

    20 µg versus >20 µg estrogen combined oral contraceptives for contraception

    Maria F Gallo, Kavita Nanda, David A Grimes, Laureen M Lopez and Kenneth F Schulz

    Version of Record online: 19 JAN 2011 | DOI: 10.1002/14651858.CD003989.pub4

  2. Version 3

    20 µg versus >20 µg estrogen combined oral contraceptives for contraception

    Maria F Gallo, Kavita Nanda, David A Grimes, Laureen M Lopez and Kenneth F Schulz

    Version of Record online: 8 OCT 2008 | DOI: 10.1002/14651858.CD003989.pub3

  3. Version 2

    20 µg versus >20 µg estrogen combined oral contraceptives for contraception

    Maria F Gallo, Kavita Nanda, David A Grimes, Laureen M Lopez and Kenneth F Schulz

    Version of Record online: 20 APR 2005 | DOI: 10.1002/14651858.CD003989.pub2

  4. Version 1

    20 mcg versus >20 mcg Estrogen combined oral contraceptives for contraception

    MF Gallo, K Nanda, DA Grimes and KF Schulz

    Version of Record online: 21 JUL 2003 | DOI: 10.1002/14651858.CD003989