Scimago Journal & Country Rank

BJOG: An International Journal of Obstetrics and Gynaecology

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
143
H Index
Subject Area and CategoryMedicine
Obstetrics and Gynecology
PublisherBlackwell Publishing Inc.
Publication typeJournals
ISSN14710528, 14700328
Coverage1902-1915, 1921-1995, 2000-ongoing
Scope BJOG is an editorially independent publication owned by the Royal College of Obstetricians and Gynaecologists (RCOG). The Journal publishes original, peer-reviewed work in all areas of obstetrics and gynaecology, including contraception, urogynaecology, fertility, oncology and clinical practice. Its aim is to publish the highest quality medical research in women health, worldwide. Areas covered include: •Obstetrics •Midwifery •Maternal medicine •Fetal medicine •Gynaecological urology •Gynaecological oncology •Gynaecological endocrinology •Infertility •Reproductive medicine •Genitourinary medicine •Sexual medicine

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Obstetrics and Gynecology1999Q1
Obstetrics and Gynecology2000Q1
Obstetrics and Gynecology2001Q1
Obstetrics and Gynecology2002Q1
Obstetrics and Gynecology2003Q1
Obstetrics and Gynecology2004Q1
Obstetrics and Gynecology2005Q1
Obstetrics and Gynecology2006Q1
Obstetrics and Gynecology2007Q1
Obstetrics and Gynecology2008Q1
Obstetrics and Gynecology2009Q1
Obstetrics and Gynecology2010Q1
Obstetrics and Gynecology2011Q1
Obstetrics and Gynecology2012Q1
Obstetrics and Gynecology2013Q1
Obstetrics and Gynecology2014Q1
Obstetrics and Gynecology2015Q1
Obstetrics and Gynecology2016Q1
Obstetrics and Gynecology2017Q1
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19991.555
20001.395
20011.339
20021.091
20031.186
20041.291
20051.303
20061.280
20071.582
20081.710
20092.024
20101.922
20112.115
20121.794
20132.199
20142.140
20152.212
20162.250
20172.111
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19992.726
Cites / Doc. (4 years)20002.677
Cites / Doc. (4 years)20012.994
Cites / Doc. (4 years)20022.650
Cites / Doc. (4 years)20032.597
Cites / Doc. (4 years)20042.930
Cites / Doc. (4 years)20052.987
Cites / Doc. (4 years)20063.253
Cites / Doc. (4 years)20073.384
Cites / Doc. (4 years)20083.671
Cites / Doc. (4 years)20094.303
Cites / Doc. (4 years)20104.486
Cites / Doc. (4 years)20114.710
Cites / Doc. (4 years)20124.919
Cites / Doc. (4 years)20134.969
Cites / Doc. (4 years)20144.775
Cites / Doc. (4 years)20154.697
Cites / Doc. (4 years)20164.636
Cites / Doc. (4 years)20174.166
Cites / Doc. (3 years)19992.726
Cites / Doc. (3 years)20002.675
Cites / Doc. (3 years)20012.777
Cites / Doc. (3 years)20022.335
Cites / Doc. (3 years)20032.673
Cites / Doc. (3 years)20042.940
Cites / Doc. (3 years)20053.003
Cites / Doc. (3 years)20063.175
Cites / Doc. (3 years)20073.408
Cites / Doc. (3 years)20083.875
Cites / Doc. (3 years)20094.408
Cites / Doc. (3 years)20104.395
Cites / Doc. (3 years)20114.746
Cites / Doc. (3 years)20124.785
Cites / Doc. (3 years)20134.986
Cites / Doc. (3 years)20144.719
Cites / Doc. (3 years)20154.505
Cites / Doc. (3 years)20164.456
Cites / Doc. (3 years)20174.124
Cites / Doc. (2 years)19992.764
Cites / Doc. (2 years)20002.366
Cites / Doc. (2 years)20012.256
Cites / Doc. (2 years)20022.236
Cites / Doc. (2 years)20032.432
Cites / Doc. (2 years)20042.889
Cites / Doc. (2 years)20052.687
Cites / Doc. (2 years)20063.075
Cites / Doc. (2 years)20073.568
Cites / Doc. (2 years)20083.673
Cites / Doc. (2 years)20094.328
Cites / Doc. (2 years)20104.308
Cites / Doc. (2 years)20114.358
Cites / Doc. (2 years)20124.668
Cites / Doc. (2 years)20134.871
Cites / Doc. (2 years)20144.428
Cites / Doc. (2 years)20154.294
Cites / Doc. (2 years)20164.365
Cites / Doc. (2 years)20173.833
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites1999243
Self Cites2000215
Self Cites2001133
Self Cites2002109
Self Cites2003130
Self Cites2004118
Self Cites2005135
Self Cites2006147
Self Cites2007172
Self Cites2008189
Self Cites2009207
Self Cites2010161
Self Cites2011170
Self Cites2012146
Self Cites2013131
Self Cites2014130
Self Cites2015141
Self Cites2016160
Self Cites2017139
Total Cites19992058
Total Cites20002175
Total Cites20012299
Total Cites20021985
Total Cites20032082
Total Cites20042155
Total Cites20052276
Total Cites20062616
Total Cites20072859
Total Cites20083073
Total Cites20093024
Total Cites20102896
Total Cites20112966
Total Cites20123144
Total Cites20133111
Total Cites20143011
Total Cites20152879
Total Cites20162959
Total Cites20172928
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19992.404
External Cites per document20002.411
External Cites per document20012.616
External Cites per document20022.207
External Cites per document20032.506
External Cites per document20042.779
External Cites per document20052.825
External Cites per document20062.996
External Cites per document20073.203
External Cites per document20083.637
External Cites per document20094.106
External Cites per document20104.150
External Cites per document20114.474
External Cites per document20124.563
External Cites per document20134.776
External Cites per document20144.516
External Cites per document20154.285
External Cites per document20164.215
External Cites per document20173.928
Cites per document19992.726
Cites per document20002.675
Cites per document20012.777
Cites per document20022.335
Cites per document20032.673
Cites per document20042.940
Cites per document20053.003
Cites per document20063.175
Cites per document20073.408
Cites per document20083.875
Cites per document20094.408
Cites per document20104.395
Cites per document20114.746
Cites per document20124.785
Cites per document20134.986
Cites per document20144.719
Cites per document20154.505
Cites per document20164.456
Cites per document20174.124
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
19997.83
200011.11
200115.47
200213.04
200312.50
200415.99
200517.02
200611.50
200716.53
200812.41
200915.83
201015.69
201121.03
201220.36
201325.47
201416.89
201514.04
201619.20
201719.31
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents1999503
Non-citable documents2000400
Non-citable documents2001312
Non-citable documents2002180
Non-citable documents2003167
Non-citable documents2004148
Non-citable documents2005164
Non-citable documents2006175
Non-citable documents2007195
Non-citable documents2008291
Non-citable documents2009433
Non-citable documents2010500
Non-citable documents2011490
Non-citable documents2012437
Non-citable documents2013425
Non-citable documents2014455
Non-citable documents2015585
Non-citable documents2016682
Non-citable documents2017866
Citable documents1999755
Citable documents2000813
Citable documents2001828
Citable documents2002850
Citable documents2003779
Citable documents2004733
Citable documents2005758
Citable documents2006824
Citable documents2007839
Citable documents2008793
Citable documents2009686
Citable documents2010659
Citable documents2011625
Citable documents2012657
Citable documents2013624
Citable documents2014638
Citable documents2015639
Citable documents2016664
Citable documents2017710
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents1999648
Uncited documents2000608
Uncited documents2001548
Uncited documents2002462
Uncited documents2003371
Uncited documents2004297
Uncited documents2005332
Uncited documents2006318
Uncited documents2007303
Uncited documents2008386
Uncited documents2009461
Uncited documents2010521
Uncited documents2011504
Uncited documents2012478
Uncited documents2013466
Uncited documents2014507
Uncited documents2015588
Uncited documents2016683
Uncited documents2017857
Cited documents1999610
Cited documents2000605
Cited documents2001592
Cited documents2002568
Cited documents2003575
Cited documents2004584
Cited documents2005590
Cited documents2006681
Cited documents2007731
Cited documents2008698
Cited documents2009658
Cited documents2010638
Cited documents2011611
Cited documents2012616
Cited documents2013583
Cited documents2014586
Cited documents2015636
Cited documents2016663
Cited documents2017719
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