Concepedia

Contraceptive Efficacy

Contraceptive Efficacy is a quantitative measure in reproductive health that denotes the ability of a contraceptive method, under specified conditions of use and over a defined time interval (typically the first year of use), to prevent unintended pregnancy, usually expressed as a failure rate or its complement.

1.6K

Publications

76.4K

Citations

5.3K

Authors

1.7K

Institutions

Publications per year

2017–2026

216

Parents

Children

Publications

1.6K

Combined Oral Contraceptives in Women with Systemic Lupus Erythematosus

Michelle Petri, Mimi Kim, Kenneth Kalunian et al. · New England Journal of Medicine · 2005 · 1.2K citations · Full text

, , +17

Randomised controlled trial of levonorgestrel versus the Yuzpe regimen of combined oral contraceptives for emergency contraception

The Lancet · 1998 · 733 citations

, , +14

Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial

Helena von Hertzen, Gilda Piaggio, Alexandre Peregoudov et al. · The Lancet · 2002 · 574 citations

, , +12

Ulipristal acetate versus levonorgestrel for emergency contraception: a randomised non-inferiority trial and meta-analysis

Anna Glasier, Sharon Cameron, Paul Fine et al. · The Lancet · 2010 · 525 citations

, , +13

Levonorgestrel-releasing and copper-releasing (Nova T) IUDs during five years of use: A randomized comparative trial

Kerstin Andersson, Viveca Odlind, Göran Rybo · Contraception · 1994 · 492 citations

, , +14

1–5 of 1.6K

Authors

5.3K

  1. JT
    James Trussell

    Princeton University, United States

    35 publications · 2.4K citations

    25

    h-index

  2. CW
    Carolyn Westhoff

    Columbia University, United States

    36 publications · 1.8K citations

    24

    h-index

  3. LB
    Luís Bahamondes

    Universidade Estadual de Campinas (UNICAMP), Brazil

    24 publications · 1K citations

    21

    h-index

  4. KG
    Kristina Gemzell‐Danielsson

    Karolinska Institutet, Sweden

    26 publications · 2.1K citations

    21

    h-index

  5. VB
    Vivian Brache

    Profamilia, Dominican Republic

    26 publications · 1.4K citations

    18

    h-index

1–5 of 5.3K

Institutions

1.7K

  1. World Health Organization

    Geneva, Switzerland

    28 h-index

    105 publications

    7.4K citations

  2. Family Health International 360

    Durham, United States

    27 h-index

    177 publications

    6.2K citations

  3. University of Washington

    Seattle, United States

    27 h-index

    132 publications

    5.6K citations

  4. Johns Hopkins University

    Baltimore, United States

    26 h-index

    118 publications

    9.6K citations

  5. Population Council

    New York, United States

    25 h-index

    93 publications

    5.4K citations

  6. University of Southern California

    Los Angeles, United States

    25 h-index

    69 publications

    5.3K citations

  7. Universidade Estadual de Campinas (UNICAMP)

    Campinas, Brazil

    24 h-index

    81 publications

    3.5K citations

  8. Columbia University

    New York, United States

    23 h-index

    85 publications

    4.5K citations

1–8 of 1.7K

Venues

  1. Contraception

    404 publications · 18.2K citations

    69

    h-index

  2. Obstetrics and Gynecology

    62 publications · 4.2K citations

    38

    h-index

  3. American Journal of Obstetrics and Gynecology

    AJOG · 70 publications · 3.5K citations

    38

    h-index

  4. PubMed

    Repository · 148 publications · 4.1K citations

    36

    h-index

  5. Human Reproduction

    42 publications · 3.2K citations

    32

    h-index

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