Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
obstetrics and gynecology
reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
200
112
0.560
* Total i10 IndexRankings
Ranking Based On Selection :2
Reproductive Health
HIV and AIDS
Cervical Cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
69
0.507
* Total i10 IndexRankings
Ranking Based On Selection :3
Gynecological Endoscopy
Infertility & Assisted Reproduction
PMTCT.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
52
0.627
* Total i10 IndexRankings
Ranking Based On Selection :4
Fetomaternal
maternal and child health
maternal health
cervical cancer
HIV
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
63
0.829
* Total i10 IndexRankings
Ranking Based On Selection :5
Preterm birth
Premature Rupture of membranes
Gynae-oncology
Evidence based Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
58
0.817
* Total i10 IndexRankings
Ranking Based On Selection :6
Reproductive Endocrinology and Infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
25
0.403
* Total i10 IndexRankings
Ranking Based On Selection :7
Gynaecological oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
56
0.949
* Total i10 IndexRankings
Ranking Based On Selection :8
Infertility
Reproductive physiology and HIV research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
34
0.596
* Total i10 IndexRankings
Ranking Based On Selection :9
Maternal Fetal Medicine
Gynecological Oncology
Reproductive Endocrinology and Infertility
Gynecological Urology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
28
0.491
* Total i10 IndexRankings
Ranking Based On Selection :10
Urogynaecology and pelvic reconstruction
Feto-Maternal health
infertility
infectious diseases in
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
49
0.875
* Total i10 IndexRankings
Ranking Based On Selection :11
Maternal Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
41
0.732
* Total i10 IndexRankings
Ranking Based On Selection :12
Hysteroscopy/IVF/Fertility and family planning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
29
0.518
* Total i10 IndexRankings
Ranking Based On Selection :13
Feto-Maternal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463
* Total i10 IndexRankings
Ranking Based On Selection :14
fetomaternal medicine
obstetric/gynaecological ultrasonography
maternal health
research and statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
44
0.830
* Total i10 IndexRankings
Ranking Based On Selection :15
Maternal and fetal medicine
clinical trials
medical education
sickle cell disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
44
0.846
* Total i10 IndexRankings
Ranking Based On Selection :16
Gynaecological Oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
42
0.808
* Total i10 IndexRankings
Ranking Based On Selection :17
Sexual and Reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
19
0.396
* Total i10 IndexRankings
Ranking Based On Selection :18
Feto-maternal medicine
Infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
* Total i10 IndexRankings
Ranking Based On Selection :19
Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
35
0.745
* Total i10 IndexRankings
Ranking Based On Selection :20
Obstetrics
gynecology and infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
34
0.723
* Total i10 IndexRankings
Ranking Based On Selection :21
Female Reproductive Health
Preventive Gynae-oncology
International Health
Health Research Methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
32
0.681
* Total i10 IndexRankings
Ranking Based On Selection :22
Physiology
Obstetrics
Gynaccology
Reproductive Medicne/ Infertility
Cosmetic Gynecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
27
0.574
* Total i10 IndexRankings
Ranking Based On Selection :23
Infertility & Assisted Conception
Feto-Maternal Medicine
Gynaecological Surgeries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
26
0.605
* Total i10 IndexRankings
Ranking Based On Selection :24
Materno-Foetal Medicine and Reproductive Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
* Total i10 IndexRankings
Ranking Based On Selection :25
Obstetrics
Gynaecology
Gynaecological Oncology
International Health
Implementation Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
Friday Okonofua
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
200
112
0.560
obstetrics and gynecology
reproductive health
Isaac Adewole
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
69
0.507
Reproductive Health
HIV and AIDS
Cervical Cancer
Joseph Ikechebelu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
52
0.627
Gynecological Endoscopy
Infertility & Assisted Reproduction
PMTCT.
Hadiza Shehu Galadanci
Bayero University
Gwarzo Road Kano, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
63
0.829
Fetomaternal
maternal and child health
maternal health
cervical cancer
HIV
George Eleje
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
58
0.817
Preterm birth
Premature Rupture of membranes
Gynae-oncology
Evidence based Medicine
HE Onah
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
25
0.403
Reproductive Endocrinology and Infertility
Kehinde Sharafadeen Okunade
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
56
0.949
Gynaecological oncology
Samuel Obi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
34
0.596
Infertility
Reproductive physiology and HIV research
Benjamin Ozumba
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
28
0.491
Maternal Fetal Medicine
Gynecological Oncology
Reproductive Endocrinology and Infertility
Gynecological Urology
Emmanuel Onyebuchi Valentine Ugwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
49
0.875
Urogynaecology and pelvic reconstruction
Feto-Maternal health
infertility
infectious diseases in
Odidika Ugochukwu Joannes Umeora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
41
0.732
Hyginus Uzo. Ezegwui
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
29
0.518
Hysteroscopy/IVF/Fertility and family planning
Saturday J. Etuk
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463
Chukwuemeka Iyoke
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
44
0.830
fetomaternal medicine
obstetric/gynaecological ultrasonography
maternal health
research and statistics
Bosede Afolabi
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
44
0.846
Maternal and fetal medicine
clinical trials
medical education
sickle cell disease
Rose Ihuoma Anorlu
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
42
0.808
Gynaecological Oncology
Joseph Adinma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
19
0.396
Sexual and Reproductive health
Folasade Adenike Bello
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
Feto-maternal medicine
Infertility
Jonah Musa
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
35
0.745
Obstetrics and Gynaecology
Loto Olabisi Morebise
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
34
0.723
Obstetrics
gynecology and infertility
Cyril C. Dim
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
32
0.681
Female Reproductive Health
Preventive Gynae-oncology
International Health
Health Research Methods
Uchenna Nwagha
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
27
0.574
Physiology
Obstetrics
Gynaccology
Reproductive Medicne/ Infertility
Cosmetic Gynecology
Sina Oladokun
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
26
0.605
Infertility & Assisted Conception
Feto-Maternal Medicine
Gynaecological Surgeries
Adedapo Babatunde A. Ande
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
Materno-Foetal Medicine and Reproductive Health
Chibuike Chigbu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
Obstetrics
Gynaecology
Gynaecological Oncology
International Health
Implementation Science