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angle-left Seang-Lin Tan, MD

Investigator, RI-MUHC , Glen site

Centre for Innovative Medicine

Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, McGill University

Department of Obstetrics and Gynaecology, Division of Reproductive Endocrinology, MUHC



IVM (in-vitro maturation) • OV (oocyte vitrification) • IVF (in vitro fertilization) • PGD (preimplantation genetic diagnosis) • fertility preservation • fertility • infertility • ultrasound • reproductive medicine • ART ( assisted reproduction techniques) • CGH (comparative genomic hybridization)

Research Focus

My research focuses on helping patients with reproductive impairments create or grow their families, improving assisted reproduction techniques (ART) and fertility preservation in women. I co-developed a new rapid-freezing process for human eggs called "McGill Cryoleaf Vitrification", offered to cancer patients before they undergo chemotherapy and to others at risk of premature ovarian failure in order to preserve their fertility. I have helped increase ART's success rates and also make them cheaper and accessible to more patients by combining in-vitro maturation (IVM), which is similar to IVF, but without hormonal stimulation and more successful, with oocyte vitrification (OV). I am interested in research leading to increased success rates in thawing of vitrified reproductive cells, IVF, IVM as well as diagnostic means allowing the birth of healthy children. I mean to help women in fertile age solve the dilemma career development vs create a family by increasing egg banking capabilities and availability.

Selected Publications

Click on Pubmed to see my current publications list

  • Seyhan A, Ata B, Son WY, Dahan MH, Tan SL. Comparison of complication rates and pain scores after transvaginal ultrasound-guided oocyte pickup procedures for in vitro maturation and in vitro fertilization cycles. Fertility & Sterility. 2014; 101:705-709.

  • Xu B, Noohi S, Shin JS, Tan SL, Taketo T. Bi-directional communication with the cumulus cells is involved in the deficiency of XY oocytes in the components essential for proper second meiotic spindle assembly. Developmental Biology. 2014; 385:242-252. .

  • Moawad AR, Tan SL, Xu B, Chen HY, Taketo T. L-carnitine supplementation during vitrification of mouse oocytes at the germinal vesicle stage improves preimplantation development following maturation and fertilization in vitro. Biology of Reproduction. 2013; 88:104.

  • Messerlian C, Tan SL, Platt R, Gagnon R, Basso O. Low technology assisted reproduction and preterm birth. American Journal of Epidemiology. 2013; 177: s116.

  • Ata B, Seyhan A, Al-Shalaty J, Marzal Escriva A, Son WY, Tan SL. Effect of Body Mass Index on In Vitro Maturation Treatment Outcomes in Women without Polycystic Ovarian Syndrome. Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology. 2013; 1:104