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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
39,225
Country Rank
166
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Robert Pattinson](/user/assets/images/profile/no-profile-photo.png)
Maternal mortality
perinatal mortality
stillbirths
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
181
121
0.669
* Total i10 Index Rankings
World Rank
106,789
Country Rank
487
Institution Rank : 109
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Jennifer Thomson](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
26
0.252
* Total i10 Index Rankings
World Rank
211,091
Country Rank
1,093
Institution Rank : 219
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Zephne Van Der Spuy](/user/assets/images/profile/no-profile-photo.png)
Obstetrics and Gynaecology
Reproductive Medicine
PCOS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
33
0.524
* Total i10 Index Rankings
World Rank
266,849
Country Rank
1,431
Institution Rank : 157
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Franco Guidozzi](/user/assets/images/profile/no-profile-photo.png)
obstetrics and gynecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
16
0.308
* Total i10 Index Rankings
World Rank
338,493
Country Rank
1,852
Institution Rank : 322
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Silke Dyer](https://cdn.adscientificindex.com/pictures/73/90714.jpg)
Infertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
38
0.927
* Total i10 Index Rankings
World Rank
380,453
Country Rank
2,135
Institution Rank : 266
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![GS Gebhardt](https://cdn.adscientificindex.com/pictures/b3/98418.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
23
0.622
* Total i10 Index Rankings
World Rank
403,016
Country Rank
2,256
Institution Rank : 276
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Lut Geerts|L Geerts, LT Geerts, LTGM Geerts](/user/assets/images/profile/no-profile-photo.png)
Obstetrics
fetal medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
17
0.486
* Total i10 Index Rankings
World Rank
418,079
Country Rank
2,354
Institution Rank : 294
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Cathy Cluver](https://cdn.adscientificindex.com/pictures/c2/105397.jpg)
Pre-eclampsia
Maternal-fetal medicine
Obstetrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
31
0.939
* Total i10 Index Rankings
World Rank
431,300
Country Rank
2,432
Institution Rank : 214
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Tamaryn Crankshaw](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
* Total i10 Index Rankings
World Rank
445,629
Country Rank
2,494
Institution Rank : 303
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Matthys (Hennie) Botha](https://cdn.adscientificindex.com/pictures/02/93543.jpg)
Gynaecological oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806
* Total i10 Index Rankings
World Rank
446,429
Country Rank
2,498
Institution Rank : 221
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Tshidi Habile (HM Sebitloane)|Hannah Motshedisi Sebitloane-Habile](https://cdn.adscientificindex.com/pictures/23/91644.jpg)
Women's health / Maternal health / HIV and reproductive health matters
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
24
0.774
* Total i10 Index Rankings
World Rank
602,152
Country Rank
3,367
Institution Rank : 542
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Greg Petro](/user/assets/images/profile/no-profile-photo.png)
Obstetrics and Gynaecology
Maternal Health
Womens Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Total i10 Index Rankings
World Rank
613,112
Country Rank
3,433
Institution Rank : 358
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Hennie Lombaard](https://cdn.adscientificindex.com/pictures/ed/99010.jpg)
Maternal and Fetal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
15
0.714
* Total i10 Index Rankings
World Rank
634,402
Country Rank
3,551
Institution Rank : 376
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Leon C Snyman](https://cdn.adscientificindex.com/pictures/cc/101430.jpg)
Gynaecological Oncology
Cervical Cancer
HPV
Minimally Invasive Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
* Total i10 Index Rankings
World Rank
727,054
Country Rank
4,092
Institution Rank : 479
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![FH Van Der Merwe](/user/assets/images/profile/no-profile-photo.png)
Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 Index Rankings
World Rank
753,312
Country Rank
4,276
Institution Rank : 654
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Mushi Matjila](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total i10 Index Rankings
World Rank
781,828
Country Rank
4,451
Institution Rank : 512
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Eduard Langenegger](/user/assets/images/profile/no-profile-photo.png)
obstetric critical care
obstetric medicine
obstetrics
pre-eclampsia
cardiac disorders in pregnancy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 Index Rankings
World Rank
804,090
Country Rank
4,598
Institution Rank : 473
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Leigh Biagio De Jager](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 Index Rankings
World Rank
944,592
Country Rank
5,662
Institution Rank : 545
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Lawrence Chauke](https://cdn.adscientificindex.com/pictures/5c/101370.jpg)
Maternal
fetal and perinatal health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 Index Rankings
World Rank
950,867
Country Rank
5,727
Institution Rank : 804
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Veronica Mitchell](https://cdn.adscientificindex.com/pictures/d0/4643837.jpg)
human rights education
medical education
Obstetrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 Index Rankings
World Rank
1,001,776
Country Rank
6,219
Institution Rank : 846
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Tracey Sheridan Adams](https://cdn.adscientificindex.com/pictures/15/4637007.jpg)
gynaecological oncology
global surgery UCT
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 Index Rankings
World Rank
1,051,072
Country Rank
6,726
Institution Rank : 640
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Amy Wise](https://cdn.adscientificindex.com/pictures/36/4641409.jpg)
Obstetrics and Gynaecology
Maternal and Fetal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Rank
1,073,892
Country Rank
6,969
Institution Rank : 662
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Jayati Kusari Basu](https://cdn.adscientificindex.com/pictures/2a/4638119.jpg)
Obstetrics & Gynecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 Index Rankings
World Rank
1,090,759
Country Rank
7,153
Institution Rank : 947
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Nadia Ikumi (Née Chanzu)](https://cdn.adscientificindex.com/pictures/67/4643867.jpg)
Pregnancy
Placenta
Immunology
Pathology
HIV
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,468,160
Country Rank
11,170
Institution Rank : 1,061
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Betty Anane - Fenin](https://cdn.adscientificindex.com/pictures/72/5064230.jpg)
Maternal-Fetal Medicine
obstetrics
gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
39,225
![South Africa](/flags/za.png)
166
![](https://cdn.adscientificindex.com/logos/11299.jpg)
12
Robert Pattinson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
181
121
0.669
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Maternal mortality
perinatal mortality
stillbirths
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
106,789
![South Africa](/flags/za.png)
487
![](https://cdn.adscientificindex.com/logos/10906.jpg)
109
Jennifer Thomson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
26
0.252
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
211,091
![South Africa](/flags/za.png)
1,093
![](https://cdn.adscientificindex.com/logos/10906.jpg)
219
Zephne Van Der Spuy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
33
0.524
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Obstetrics and Gynaecology
Reproductive Medicine
PCOS
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
266,849
![South Africa](/flags/za.png)
1,431
![](https://cdn.adscientificindex.com/logos/11498.jpg)
157
Franco Guidozzi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
16
0.308
![](https://cdn.adscientificindex.com/logos/11498.jpg)
obstetrics and gynecology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
338,493
![South Africa](/flags/za.png)
1,852
![](https://cdn.adscientificindex.com/logos/10906.jpg)
322
Silke Dyer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
38
0.927
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
380,453
![South Africa](/flags/za.png)
2,135
![](https://cdn.adscientificindex.com/logos/8529.jpg)
266
GS Gebhardt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
23
0.622
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
403,016
![South Africa](/flags/za.png)
2,256
![](https://cdn.adscientificindex.com/logos/8529.jpg)
276
Lut Geerts|L Geerts, LT Geerts, LTGM Geerts
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
17
0.486
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Obstetrics
fetal medicine
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
418,079
![South Africa](/flags/za.png)
2,354
![](https://cdn.adscientificindex.com/logos/8529.jpg)
294
Cathy Cluver
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
31
0.939
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Pre-eclampsia
Maternal-fetal medicine
Obstetrics
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
431,300
![South Africa](/flags/za.png)
2,432
![](https://cdn.adscientificindex.com/logos/11125.png)
214
Tamaryn Crankshaw
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
445,629
![South Africa](/flags/za.png)
2,494
![](https://cdn.adscientificindex.com/logos/8529.jpg)
303
Matthys (Hennie) Botha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Gynaecological oncology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
446,429
![South Africa](/flags/za.png)
2,498
![](https://cdn.adscientificindex.com/logos/11125.png)
221
Tshidi Habile (HM Sebitloane)|Hannah Motshedisi Sebitloane-Habile
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
24
0.774
![](https://cdn.adscientificindex.com/logos/11125.png)
Women's health / Maternal health / HIV and reproductive health matters
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
602,152
![South Africa](/flags/za.png)
3,367
![](https://cdn.adscientificindex.com/logos/10906.jpg)
542
Greg Petro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Obstetrics and Gynaecology
Maternal Health
Womens Health
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
613,112
![South Africa](/flags/za.png)
3,433
![](https://cdn.adscientificindex.com/logos/11498.jpg)
358
Hennie Lombaard
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
15
0.714
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Maternal and Fetal Medicine
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
634,402
![South Africa](/flags/za.png)
3,551
![](https://cdn.adscientificindex.com/logos/11299.jpg)
376
Leon C Snyman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Gynaecological Oncology
Cervical Cancer
HPV
Minimally Invasive Surgery
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
727,054
![South Africa](/flags/za.png)
4,092
![](https://cdn.adscientificindex.com/logos/8529.jpg)
479
FH Van Der Merwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Obstetrics and Gynaecology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
753,312
![South Africa](/flags/za.png)
4,276
![](https://cdn.adscientificindex.com/logos/10906.jpg)
654
Mushi Matjila
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
781,828
![South Africa](/flags/za.png)
4,451
![](https://cdn.adscientificindex.com/logos/8529.jpg)
512
Eduard Langenegger
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
![](https://cdn.adscientificindex.com/logos/8529.jpg)
obstetric critical care
obstetric medicine
obstetrics
pre-eclampsia
cardiac disorders in pregnancy
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
804,090
![South Africa](/flags/za.png)
4,598
![](https://cdn.adscientificindex.com/logos/11299.jpg)
473
Leigh Biagio De Jager
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
944,592
![South Africa](/flags/za.png)
5,662
![](https://cdn.adscientificindex.com/logos/11498.jpg)
545
Lawrence Chauke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Maternal
fetal and perinatal health
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
950,867
![South Africa](/flags/za.png)
5,727
![](https://cdn.adscientificindex.com/logos/10906.jpg)
804
Veronica Mitchell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
![](https://cdn.adscientificindex.com/logos/10906.jpg)
human rights education
medical education
Obstetrics
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,001,776
![South Africa](/flags/za.png)
6,219
![](https://cdn.adscientificindex.com/logos/10906.jpg)
846
Tracey Sheridan Adams
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
![](https://cdn.adscientificindex.com/logos/10906.jpg)
gynaecological oncology
global surgery UCT
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,051,072
![South Africa](/flags/za.png)
6,726
![](https://cdn.adscientificindex.com/logos/11498.jpg)
640
Amy Wise
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Obstetrics and Gynaecology
Maternal and Fetal Medicine
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,073,892
![South Africa](/flags/za.png)
6,969
![](https://cdn.adscientificindex.com/logos/11498.jpg)
662
Jayati Kusari Basu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Obstetrics & Gynecology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,090,759
![South Africa](/flags/za.png)
7,153
![](https://cdn.adscientificindex.com/logos/10906.jpg)
947
Nadia Ikumi (Née Chanzu)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Pregnancy
Placenta
Immunology
Pathology
HIV
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,468,160
![South Africa](/flags/za.png)
11,170
![](https://cdn.adscientificindex.com/logos/11498.jpg)
1,061
Betty Anane - Fenin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Maternal-Fetal Medicine
obstetrics
gynaecology