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Week of March 16, 2008

Journals Ranked by Impact: Obstetrics & Gynecology


Rank 2006 Impact Factor Impact 2002-06 Impact 1981-2006
1 Human Reprod. Update
Human Reprod. Update
Am. J. Obstet. Gyn.
2 Obstetrics & Gynecol.
Obstetrics & Gynecol.
Obstetrics & Gynecol.
3 Human Reproduction
Human Reproduction
Fertility & Sterility
4 Obstet. & Gyn. Survey
J. Womens Hlth./Gender
British J. Ob./Gyn.
5 Fertility & Sterility
Twin Research
Human Reprod. Update
6 Reprod. Biomed. Online
Fertility & Sterility
Surgery Gyn. & Obstet.
7 Menopause
Human Reproduction
8 Seminars Reprod. Med.
Int. J. Gyn. Pathology
9 Placenta
Am. J. Obstet. Gyn.
10 Am. J. Obstet. Gyn.
Ultrasound in Ob./Gyn.
Gynecologic Oncology

The above table compares the citation impact of journals in a given field as measured over three different time spans. The left-hand column ranks journals based on their 2006 "impact factor," as enumerated in the current edition of Journal Citation Reports®. The 2006 impact factor is calculated by taking the number of all current citations to source items published in a journal over the previous two years and dividing by the number of articles published in the journal during the same period--in other words, a ratio between citations and recent citable items published. The rankings in the next two columns show impact over longer time spans, based on figures from Journal Performance Indicators. In these columns, total citations to a journal's published papers are divided by the total number of papers that the journal published, producing a citations-per-paper impact score over a five-year period (middle column) and a 26-year period (right-hand column).

SOURCE: Journal Citation Reports and Journal Performance Indicators.

Sci-Bytes : 2008 : 03.16.2008 - Journals Ranked by Impact: Obstetrics & Gynecology
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