Scimago Journal & Country Rank

BJOG: An International Journal of Obstetrics and Gynaecology

Country

United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category

Publisher

Wiley-Blackwell Publishing Ltd

H-Index

170

Publication type

Journals

ISSN

14700328, 14710528

Coverage

1902-1915, 1921-2021

Information

Homepage

How to publish in this journal

cs-journals@wiley.com

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's health, worldwide. Join the conversation about this journal
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
Obstetrics and Gynecology2018Q1
Obstetrics and Gynecology2019Q1
Obstetrics and Gynecology2020Q1
Obstetrics and Gynecology2021Q1
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
20181.968
20192.006
20202.157
20212.449
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
1999378
2000363
2001278
2002298
2003303
2004314
2005370
2006336
2007358
2008376
2009368
2010310
2011372
2012316
2013341
2014501
2015449
2016564
2017518
2018505
2019426
2020422
2021496
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)19991.742
Cites / Doc. (4 years)20001.816
Cites / Doc. (4 years)20012.142
Cites / Doc. (4 years)20022.066
Cites / Doc. (4 years)20032.188
Cites / Doc. (4 years)20042.426
Cites / Doc. (4 years)20052.552
Cites / Doc. (4 years)20062.746
Cites / Doc. (4 years)20072.797
Cites / Doc. (4 years)20082.899
Cites / Doc. (4 years)20092.999
Cites / Doc. (4 years)20102.862
Cites / Doc. (4 years)20112.826
Cites / Doc. (4 years)20123.025
Cites / Doc. (4 years)20133.104
Cites / Doc. (4 years)20142.960
Cites / Doc. (4 years)20152.778
Cites / Doc. (4 years)20162.574
Cites / Doc. (4 years)20172.247
Cites / Doc. (4 years)20182.209
Cites / Doc. (4 years)20192.011
Cites / Doc. (4 years)20202.309
Cites / Doc. (4 years)20212.921
Cites / Doc. (3 years)19991.742
Cites / Doc. (3 years)20001.857
Cites / Doc. (3 years)20012.081
Cites / Doc. (3 years)20021.993
Cites / Doc. (3 years)20032.232
Cites / Doc. (3 years)20042.476
Cites / Doc. (3 years)20052.529
Cites / Doc. (3 years)20062.680
Cites / Doc. (3 years)20072.845
Cites / Doc. (3 years)20082.943
Cites / Doc. (3 years)20092.833
Cites / Doc. (3 years)20102.643
Cites / Doc. (3 years)20112.802
Cites / Doc. (3 years)20123.043
Cites / Doc. (3 years)20133.128
Cites / Doc. (3 years)20142.938
Cites / Doc. (3 years)20152.554
Cites / Doc. (3 years)20162.410
Cites / Doc. (3 years)20172.127
Cites / Doc. (3 years)20182.106
Cites / Doc. (3 years)20191.951
Cites / Doc. (3 years)20202.255
Cites / Doc. (3 years)20212.949
Cites / Doc. (2 years)19991.735
Cites / Doc. (2 years)20001.720
Cites / Doc. (2 years)20011.885
Cites / Doc. (2 years)20021.895
Cites / Doc. (2 years)20032.106
Cites / Doc. (2 years)20042.363
Cites / Doc. (2 years)20052.254
Cites / Doc. (2 years)20062.662
Cites / Doc. (2 years)20072.922
Cites / Doc. (2 years)20082.572
Cites / Doc. (2 years)20092.559
Cites / Doc. (2 years)20102.524
Cites / Doc. (2 years)20112.659
Cites / Doc. (2 years)20123.016
Cites / Doc. (2 years)20133.092
Cites / Doc. (2 years)20142.665
Cites / Doc. (2 years)20152.349
Cites / Doc. (2 years)20162.226
Cites / Doc. (2 years)20171.949
Cites / Doc. (2 years)20182.030
Cites / Doc. (2 years)20191.771
Cites / Doc. (2 years)20202.104
Cites / Doc. (2 years)20213.139
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 Cites2000213
Self Cites2001139
Self Cites2002109
Self Cites2003130
Self Cites2004117
Self Cites2005135
Self Cites2006146
Self Cites2007170
Self Cites2008190
Self Cites2009203
Self Cites2010158
Self Cites2011164
Self Cites2012143
Self Cites2013127
Self Cites2014129
Self Cites2015138
Self Cites2016164
Self Cites2017136
Self Cites2018132
Self Cites2019118
Self Cites2020104
Self Cites2021145
Total Cites19992169
Total Cites20002232
Total Cites20012347
Total Cites20022031
Total Cites20032096
Total Cites20042176
Total Cites20052314
Total Cites20062645
Total Cites20072902
Total Cites20083131
Total Cites20093031
Total Cites20102913
Total Cites20112953
Total Cites20123195
Total Cites20133122
Total Cites20143023
Total Cites20152957
Total Cites20163111
Total Cites20173221
Total Cites20183225
Total Cites20193096
Total Cites20203268
Total Cites20213990
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 document19992.551
External Cites per document20002.486
External Cites per document20012.673
External Cites per document20022.269
External Cites per document20032.534
External Cites per document20042.801
External Cites per document20052.863
External Cites per document20063.018
External Cites per document20073.256
External Cites per document20083.709
External Cites per document20094.122
External Cites per document20104.181
External Cites per document20114.462
External Cites per document20124.645
External Cites per document20134.807
External Cites per document20144.550
External Cites per document20154.425
External Cites per document20164.425
External Cites per document20174.321
External Cites per document20184.400
External Cites per document20194.498
External Cites per document20205.309
External Cites per document20217.094
Cites per document19991.742
Cites per document20001.857
Cites per document20012.081
Cites per document20021.993
Cites per document20032.232
Cites per document20042.476
Cites per document20052.529
Cites per document20062.680
Cites per document20072.845
Cites per document20082.943
Cites per document20092.833
Cites per document20102.643
Cites per document20112.802
Cites per document20123.043
Cites per document20133.128
Cites per document20142.938
Cites per document20152.554
Cites per document20162.410
Cites per document20172.127
Cites per document20182.106
Cites per document20191.951
Cites per document20202.255
Cites per document20212.949
% 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
19997.67
200011.57
200115.47
200212.75
200312.54
200416.24
200517.30
200611.61
200717.04
200813.83
200916.58
201016.13
201121.51
201221.52
201326.98
201417.56
201514.48
201621.81
201720.66
201820.59
201921.60
202022.75
202126.61
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 documents1999490
Non-citable documents2000390
Non-citable documents2001302
Non-citable documents2002172
Non-citable documents2003163
Non-citable documents2004144
Non-citable documents2005154
Non-citable documents2006159
Non-citable documents2007181
Non-citable documents2008271
Non-citable documents2009384
Non-citable documents2010443
Non-citable documents2011429
Non-citable documents2012393
Non-citable documents2013375
Non-citable documents2014393
Non-citable documents2015521
Non-citable documents2016625
Non-citable documents2017800
Non-citable documents2018828
Non-citable documents2019925
Non-citable documents2020853
Non-citable documents2021811
Citable documents1999755
Citable documents2000812
Citable documents2001826
Citable documents2002847
Citable documents2003776
Citable documents2004735
Citable documents2005761
Citable documents2006828
Citable documents2007839
Citable documents2008793
Citable documents2009686
Citable documents2010659
Citable documents2011625
Citable documents2012657
Citable documents2013623
Citable documents2014636
Citable documents2015637
Citable documents2016666
Citable documents2017714
Citable documents2018703
Citable documents2019662
Citable documents2020596
Citable documents2021542
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 documents1999625
Uncited documents2000593
Uncited documents2001533
Uncited documents2002449
Uncited documents2003362
Uncited documents2004298
Uncited documents2005323
Uncited documents2006302
Uncited documents2007290
Uncited documents2008356
Uncited documents2009416
Uncited documents2010464
Uncited documents2011444
Uncited documents2012430
Uncited documents2013413
Uncited documents2014444
Uncited documents2015519
Uncited documents2016613
Uncited documents2017779
Uncited documents2018804
Uncited documents2019886
Uncited documents2020793
Uncited documents2021708
Cited documents1999620
Cited documents2000609
Cited documents2001595
Cited documents2002570
Cited documents2003577
Cited documents2004581
Cited documents2005592
Cited documents2006685
Cited documents2007730
Cited documents2008708
Cited documents2009654
Cited documents2010638
Cited documents2011610
Cited documents2012620
Cited documents2013585
Cited documents2014585
Cited documents2015639
Cited documents2016678
Cited documents2017735
Cited documents2018727
Cited documents2019701
Cited documents2020656
Cited documents2021645
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