Samuel Ribeiro
Diretor e Coordenador Científico IVI Lisboa

Samuel Ribeiro



Clinical Scholars Research Training (CSRT) Certificate Program Harvard Medical School (Boston, EUA), mar 2014 – nov 2015
Doutoramento em Medicina (Especialidade de Ginecologia/Obstetrícia) intitulado “Rethinking the approach to endometrial non-receptivity: Treating the cause instead of the consequence” Programa doutoral em co-tutela com a Faculdade de Medicina da Universidade de Lisboa (Lisboa, Portugal) e Universitair Ziekenhuis Brussel (Bruxelas, Bélgica), jan 2014 – dez 2017
Subespecialização em Medicina da Reprodução (ESHRE), jan 2013 – jan 2015
Universitair Ziekenhuis Brussel (Bruxelas, Bélgica)
Especialização em Ginecologia/Obstetrícia, jan 2009 – dez 2014
Hospital Santa Maria – Centro Hospitalar Lisboa Norte (Lisboa, Portugal)

Diretor clinico do IVI Lisboa
Coordenador Científico do IVI Lisboa
Ginecologista do IVI Lisboa

Does the type of GnRH analogue used, affect live birth rates in women with endometriosis undergoing IVF/ICSI treatment, according to the rAFS stage?

Drakopoulos P, Rosetti J, Pluchino N, Blockeel C, Santos-Ribeiro S, de Brucker M, Drakakis P, Camus M, Tournaye H, Polyzos NP. Gynecol Endocrinol 2018; 12:1-6

Impact of late-follicular phase elevated serum progesterone on cumulative live birth rates: is there a deleterious effect on embryo quality?

Racca A, Santos-Ribeiro S, De Munck N, Mackens S, Drakopoulos P, Camus M, Verheyen G, Tournaye H, Blockeel C. Hum Reprod. 2018 (in press)

Birthweight of singletons born after cleavage-stage or blastocyst transfer in fresh and warming cycles.

De Vos A, Santos-Ribeiro S, Van Landuyt L, Van de Velde H, Tournaye H, Verheyen G. Hum Reprod. 2018;33(2):196-201

Should we continue to measure endometrial thickness in modern-day medicine?

Costa Ribeiro V*, Santos-Ribeiro S*, De Munck N, Drakopoulos P, Polyzos NP, Schutyser V, Verheyen G, Tournaye H, Blockeel C. 2018 Reprod Biomed Online 2018;36(4):416-26

The impact of elevated progesterone at the initiation of an artificially prepared frozen embryo transfer cycle: a case series.

Drakopoulos P, Mat C, Polyzos NP, Santos-Ribeiro S, van de Vijver A, Van Landuyt L, Tournaye H, Blockeel C. Curr Pharm Biotechnol. 2017;18(8):619-21

Vitrified-warmed blastocyst transfer on the 5th or 7th day of progesterone supplementation in an artificial cycle: a randomised controlled trial.

van de Vijver A, Drakopoulos P, Polyzos NP, Van Landuyt L, Mackens S, Santos-Ribeiro S, Vloeberghs V, Tournaye H, Blockeel C. Gynecol Endocrinol 2017; 26:1-4

Frozen-thawed embryo transfers in natural cycles with spontaneous or induced ovulation: the search for the best protocol continues.

Montagut M, Santos-Ribeiro S, De Vos M, Polyzos NP, Drakopoulos P, Mackens S, van de Vijver A, van Landuyt L, Verheyen G, Tournaye H, Blockeel C. Hum Reprod. 2016;31(12):2803-10

Do ARTs affect the incidence of monozygotic twinning?

Mateizel I*, Santos-Ribeiro S*, Done E, Van Landuyt L, Van de Velde H, Tournaye H, Verheyen G. Hum Reprod. 2016;31(11):2435-41

Cumulative live birth rates after fresh and vitrified cleavage-stage versus blastocyst-stage embryo transfer in the first treatment cycle.

De Vos A, Van Landuyt L, Santos-Ribeiro S, Camus M, Van de Velde H, Tournaye H, Verheyen G. Hum Reprod. 2016;31(11):2435-41

The effect of an immediate frozen embryo transfer following a freeze-all protocol: a retrospective analysis from two centres.

Santos-Ribeiro S, Polyzos NP, Lan VT, Siffain J, Mackens S, Van Landuyt L, Tournaye H, Blockeel C. Hum Reprod. 2016 Nov;31(11):2541-8

Vitamin D deficiency and pregnancy rates following frozen-thawed embryo transfer: a prospective cohort study.

van de Vijver A, Drakopoulos P, Van Landuyt L, Vaiarelli A, Blockeel C, Santos-Ribeiro S, Tournaye H, Polyzos NP. Hum Reprod. 2016;31(8):1749-54

To delay or not to delay a frozen embryo transfer after a failed fresh embryo transfer attempt?

Santos-Ribeiro S, Siffain J, Polyzos NP, van de Vijver A, van Landuyt L, Stoop D, Tournaye H, Blockeel C. Fertil Steril. 2016;105(5):1202-7

A fresh look at the freeze-all protocol: a SWOT analysis.

Blockeel C, Drakopoulos P, Santos-Ribeiro S, Polyzos NP, Tournaye H. Hum Reprod. 2016;31(3):491-7

Laparoscopic Vaginal-Assisted Hysterectomy with Complete Vaginectomy for Female-To-Male Genital Reassignment Surgery.

Gomes da Costa A, Valentim-Lourenço A, Santos-Ribeiro S, Carvalho Afonso M, Henriques A, Ribeirinho AL, Décio Ferreira J. J Minim Invasive Gynecol. 2016;23(3):404-9

Open versus closed oocyte vitrification in an oocyte donation programme: a prospective randomized sibling oocyte study.

De Munck N, Santos-Ribeiro S, Stoop D, Van de Velde H, Verheyen G. Hum Reprod. 2016;31(2):377-84

Trends in ectopic pregnancy rates following assisted reproductive technologies in the UK: a 12-year nationwide analysis including 160 000 pregnancies.

Santos-Ribeiro S, Tournaye H, Polyzos NP. Hum Reprod. 2016;31(2):393-402

Cyclin E1 plays a key role in balancing between totipotency and differentiation in human embryonic cells.

Krivega MV, Geens M, Heindryckx B, Santos-Ribeiro S, Tournaye H, Van de Velde H. Mol Hum Reprod. 2015;21(12):942-56

Reduced blastocyst formation in reduced culture volume.

De Munck N, Santos-Ribeiro S, Mateizel I, Verheyen G. J Assist Reprod Genet. 2015;32(9):1365-70

Ovarian hyperstimulation syndrome after gonadotropin-releasing hormone agonist triggering and “freeze-all”: in-depth analysis of genetic predisposition.

Santos-Ribeiro S, Polyzos NP, Stouffs K, De Vos M, Seneca S, Tournaye H, Blockeel C. J Assist Reprod Genet. 2015;32(7):1063-8

Live birth rates after IVF are reduced by both low and high progesterone levels on the day of human chorionic gonadotrophin administration.

Santos-Ribeiro S, Polyzos NP, Haentjens P, Smitz J, Camus M, Tournaye H, Blockeel C. Hum Reprod. 2014;29(8):1698-705


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