Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Isaac Adewole](https://cdn.adscientificindex.com/pictures/89/99639.jpg)
Reproductive Health
HIV and AIDS
Cervical Cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
65
0.468
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Joseph Ikechebelu](https://cdn.adscientificindex.com/pictures/26/100400.jpg)
Gynecological Endoscopy
Infertility & Assisted Reproduction
PMTCT.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
48
0.558
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Hadiza Shehu Galadanci](https://cdn.adscientificindex.com/pictures/1b/4991520.jpg)
Fetomaternal
maternal and child health
maternal health
cervical cancer
HIV
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
63
0.768
* Total i10 IndexRankings
Ranking Based On Selection: 4
![George Eleje](https://cdn.adscientificindex.com/pictures/2d/98121.jpg)
Preterm birth
Premature Rupture of membranes
Gynae-oncology
Evidence based Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
56
0.747
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Kehinde Sharafadeen Okunade](https://cdn.adscientificindex.com/pictures/6c/100870.jpg)
Gynaecological oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
60
0.952
* Total i10 IndexRankings
Ranking Based On Selection: 6
![HE Onah](/user/assets/images/profile/no-profile-photo.png)
Reproductive Endocrinology and Infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
22
0.355
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Emmanuel Onyebuchi Valentine Ugwu](https://cdn.adscientificindex.com/pictures/ac/97109.jpg)
Urogynaecology and pelvic reconstruction
Feto-Maternal health
infertility
infectious diseases in
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
50
0.833
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Benjamin Ozumba](https://cdn.adscientificindex.com/pictures/81/104972.jpg)
Maternal Fetal Medicine
Gynecological Oncology
Reproductive Endocrinology and Infertility
Gynecological Urology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
24
0.407
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Odidika Ugochukwu Joannes Umeora](/user/assets/images/profile/no-profile-photo.png)
Maternal Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
39
0.684
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Samuel Obi](/user/assets/images/profile/no-profile-photo.png)
Infertility
Reproductive physiology and HIV research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
31
0.544
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Hyginus Uzo. Ezegwui](https://cdn.adscientificindex.com/pictures/f8/99321.jpg)
Hysteroscopy/IVF/Fertility and family planning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
25
0.439
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Bosede Afolabi](https://cdn.adscientificindex.com/pictures/70/4324749.jpg)
Maternal and fetal medicine
clinical trials
medical education
sickle cell disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
50
0.893
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Saturday J. Etuk](https://cdn.adscientificindex.com/pictures/cb/90351.jpg)
Feto-Maternal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
23
0.411
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Rose Ihuoma Anorlu](https://cdn.adscientificindex.com/pictures/ec/4324746.jpg)
Gynaecological Oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
40
0.755
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Chukwuemeka Iyoke](https://cdn.adscientificindex.com/pictures/6c/105807.jpg)
fetomaternal medicine
obstetric/gynaecological ultrasonography
maternal health
research and statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
40
0.755
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Joseph Adinma](https://cdn.adscientificindex.com/pictures/f9/100381.jpg)
Sexual and Reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
14
0.280
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Folasade Adenike Bello](https://cdn.adscientificindex.com/pictures/e1/97729.jpg)
Feto-maternal medicine
Infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
35
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Jonah Musa](https://cdn.adscientificindex.com/pictures/54/5275585.jpg)
Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Loto Olabisi Morebise](https://cdn.adscientificindex.com/pictures/65/101601.jpg)
Obstetrics
gynecology and infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Cyril C. Dim](https://cdn.adscientificindex.com/pictures/21/105970.jpg)
Female Reproductive Health
Preventive Gynae-oncology
International Health
Health Research Methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
33
0.688
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Uchenna Nwagha](https://cdn.adscientificindex.com/pictures/ef/91680.jpg)
Physiology
Obstetrics
Gynaccology
Reproductive Medicne/ Infertility
Cosmetic Gynecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
26
0.553
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Sina Oladokun](https://cdn.adscientificindex.com/pictures/44/90755.jpg)
Infertility & Assisted Conception
Feto-Maternal Medicine
Gynaecological Surgeries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
19
0.442
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Adedapo Babatunde A. Ande](/user/assets/images/profile/no-profile-photo.png)
Materno-Foetal Medicine and Reproductive Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
23
0.561
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Chibuike Chigbu](https://cdn.adscientificindex.com/pictures/3c/105576.jpg)
Obstetrics
Gynaecology
Gynaecological Oncology
International Health
Implementation Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
20
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Mohammed bukar](/user/assets/images/profile/no-profile-photo.png)
Ultrasound in Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
28
0.757
Isaac Adewole
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
65
0.468
Reproductive Health
HIV and AIDS
Cervical Cancer
Joseph Ikechebelu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
48
0.558
Gynecological Endoscopy
Infertility & Assisted Reproduction
PMTCT.
Hadiza Shehu Galadanci
Bayero University
Gwarzo Road, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
63
0.768
Fetomaternal
maternal and child health
maternal health
cervical cancer
HIV
George Eleje
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
56
0.747
Preterm birth
Premature Rupture of membranes
Gynae-oncology
Evidence based Medicine
Kehinde Sharafadeen Okunade
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
60
0.952
Gynaecological oncology
HE Onah
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
22
0.355
Reproductive Endocrinology and Infertility
Emmanuel Onyebuchi Valentine Ugwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
50
0.833
Urogynaecology and pelvic reconstruction
Feto-Maternal health
infertility
infectious diseases in
Benjamin Ozumba
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
24
0.407
Maternal Fetal Medicine
Gynecological Oncology
Reproductive Endocrinology and Infertility
Gynecological Urology
Odidika Ugochukwu Joannes Umeora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
39
0.684
Samuel Obi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
31
0.544
Infertility
Reproductive physiology and HIV research
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Hyginus Uzo. Ezegwui
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
25
0.439
Hysteroscopy/IVF/Fertility and family planning
Bosede Afolabi
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
50
0.893
Maternal and fetal medicine
clinical trials
medical education
sickle cell disease
Saturday J. Etuk
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
23
0.411
Rose Ihuoma Anorlu
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
40
0.755
Gynaecological Oncology
Chukwuemeka Iyoke
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
40
0.755
fetomaternal medicine
obstetric/gynaecological ultrasonography
maternal health
research and statistics
Joseph Adinma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
14
0.280
Sexual and Reproductive health
Folasade Adenike Bello
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
35
0.714
Feto-maternal medicine
Infertility
Jonah Musa
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
Obstetrics and Gynaecology
Loto Olabisi Morebise
Obafemi Awolowo University
Ile Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
Obstetrics
gynecology and infertility
Cyril C. Dim
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
33
0.688
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
26
0.553
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
19
0.442
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
41
23
0.561
Materno-Foetal Medicine and Reproductive Health
Chibuike Chigbu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
20
0.500
Obstetrics
Gynaecology
Gynaecological Oncology
International Health
Implementation Science
Mohammed bukar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
28
0.757
Ultrasound in Obstetrics and Gynaecology