Author

Shan S. Ratnam

Observed names: S Ratnam, S. Shanmmuga Ratnam, SHAN S. RATNAM, Shan Ratnam, Shan S Ratnam

Institutions: National University of Singapore, National University Hospital

Observed institutions: National University of Singapore, Lund University, La Trobe University, Monash Medical Centre, KK Women's and Children's Hospital, National University Hospital

OpenAlex ID: A5113713541

Fertilization and early embryology: Isolation and culture of inner cell mass cells from human blastocysts

1994 · Ariff Bongso, Chui-Yee Fong, et al. · Human Reproduction · 280

Improved quality of human embryos when co-cultured with human ampullary cells

1989 · Ariff Bongso, Ng Soon-Chye, et al. · Human Reproduction · 156

Cocultures: a new lead in embryo quality improvement for assisted reproduction

1991 · Ariff Bongso, Soon-Chye Ng, et al. · Fertility and Sterility · 111

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Improved pregnancy rate after transfer of embryos grown in human fallopian tubal cell coculture

1992 · Ariff Bongso, Soon-Chye Ng, et al. · Fertility and Sterility · 99

Microinjection of human oocytes: a technique for severe oligoasthenoteratozoospermia

1991 · Soon-Chye Ng, Ariff Bongso, et al. · Fertility and Sterility · 89

Effects of methyldopa on uteroplacental and fetal hemodynamics in pregnancy-induced hypertension

1993 · Sven Montan, Chinnaiya Anandakumar, et al. · American Journal of Obstetrics and Gynecology · 81

A new molecular variant of luteinizing hormone associated with female infertility

1998 · Wu-Xiang Liao, Ashim C. Roy, et al. · Fertility and Sterility · 74

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Chromosome anomalies in human oocytes failing to fertilize after insemination in vitro

1988 · Ariff Bongso, Ng Soon Chye, et al. · Human Reproduction · 66

Implanon® contraceptive implants: effects on carbohydrate metabolism

2001 · Arijit Biswas, Osborne A.C. Viegas, et al. · Contraception · 64

Micromanipulation: its relevance to human in vitro fertilization

1990 · Edward E. Wallach, Soon-Chye Ng, et al. · Fertility and Sterility · 64

Co-cultures: their relevance to assisted reproduction

1990 · Ariff Bongso, Soon-Chye Ng, et al. · Human Reproduction · 61

Ultrastructure of preimplantation human embryos co-cultured with human ampullary cells

1990 · Henry Sathananthan, Ariff Bongso, et al. · Human Reproduction · 60

Transfer of human sperm into the perivitelline space of human oocytes after zona-drilling or zona-puncture

1989 · Soon-Chye Ng, Ariff Bongso, et al. · Fertility and Sterility · 46

Establishment of human endometrial cell cultures

1988 · Ariff Bongso, Bani Gajra, et al. · Human Reproduction · 45

Effect of growth hormone therapy in men with severe idiopathic oligozoospermia

1995 · Kok-Onn Lee, Soon-Chye Ng, et al. · European Journal of Endocrinology · 42

The search for improved in-vitro systems should not be ignored: embryo co-culture may be one of them

1993 · Ariff Bongso, Chui-Yee Fong, et al. · Human Reproduction · 41

Human embryonic behavior in a sequential human oviduct-endometrial coculture system

1994 · Ariff Bongso, Chui-Yee Fong, et al. · Fertility and Sterility · 40

Preimplantation genetics: chromosomes of fragmented human embryos

1991 · Ariff Bongso, Soon-Chye Ng, et al. · Fertility and Sterility · 38

Randomised controlled trial of methyldopa and isradipine in preeclampsia – effects on uteroplacental and fetal hemodynamics

1996 · Sven Montan, Chinnaiya Anandakumar, et al. · Journal of Perinatal Medicine · 34

Complete androgen insensitivity due to a splice-site mutation in the androgen receptor gene and genetic screening with single-stranded conformation polymorphism

1994 · Eu Leong Yong, Kim Lee Chua, et al. · Fertility and Sterility · 34

Improved sperm concentration, motility, and fertilization rates following Ficoll treatment of sperm in a human in vitro fertilization program

1989 · Ariff Bongso, Soon-Chye Ng, et al. · Fertility and Sterility · 32

Use of two types of estradiol-releasing skin patches for menopausal patients in a tropical climate

1992 · Terry McCarthy, Vesna Dramusic, et al. · American Journal of Obstetrics and Gynecology · 29

Effect of methyldopa and isradipine on fetal heart rate pattern assessed by computerized cardiotocography in human pregnancy

1993 · Dag Wide-Swensson, Sven Montan, et al. · American Journal of Obstetrics and Gynecology · 28

Biosynthesis of prostaglandins by human spermatozoa in vitro and their role in acrosome reaction and fertilization

1992 · Ashim C. Roy, Shan S. Ratnam · Molecular Reproduction and Development · 27

Preeclampsia: Haemostatic Status and the Short‐Term Effects of Methyldopa and Isradipine Therapy

1998 · Kyi Htay Yin, Stephen C. L. Koh, et al. · Journal of obstetrics and gynaecology research · 26

Works count: 69

Citation count: 2,069

H-index: 25

I10-index: 42