Samuel Santos-Ribeiro M.D., Ph.D.

Scientific Coordinator and Senior Gynecologist in Reproductive Medicine

IVI Lisbon

Biografía

Samuel Santos-Ribeiro obtained his medical degree in 2007 from Nova Medical School (Lisbon), concluding his training in Obstetrics/Gynaecology at Hospital Santa Maria (Lisbon) in 2015.

In 2013, he also initiated a Clinical Scholars Research Training (Harvard Medical School) and a research programme at Universitair Ziekenhuis Brussel (Brussels) with his Ph.D. thesis focusing primarily on the optimisation of endometrial receptivity.

He is currently the Scientific Coordinator and Senior Gynecologist at IVIRMA Lisbon. The primary focus of his ongoing research is the relationship between infertility treatments and endometrial receptivity.

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Formación

Scientific Coordinator and Senior Gynecologist in Reproductive Medicine	Instituto Valenciano de Infertilidad. Lisbon, Portugal. (2018)
Consultant in Fertility Diagnostics, Genetics and Immunology	Universitair Ziekenhuis Brussel. Brussels, Belgium.(2016-2018)
PhD in the field of Medical Reproduction	Joint PhD program organized by Faculdade de Medicina da Universidade de Lisboa and Universitair Ziekenhuis Brussel. Lisbon, Portugal. Brussels, Belgium. (2014-2017)
Clinical Scholars Research Training (CSRT) Certificate Program	Harvard Medical School. Boston, USA. (2014-2015)
ESHRE subspecialty training in Medical Reproduction	Universitair Ziekenhuis Brussel. Brussels, Belgium. (2014-2016)
Obstetrics and gynaecology specialist in-training	Hospital Santa Maria – Centro Hospitalar Lisboa Norte. Lisbon, Portugal. (2009-2014)
Medical foundation/pre-clinical year	Centro Hospitalar Lisboa Central. Lisbon, Portugal. (2008)
Medical degree	Faculdade de Ciências Médicas: Universidade Nova de Lisboa. Lisbon, Portugal. (2001-2007)

Publicaciones

Predicting suboptimal oocyte yield following GnRH agonist trigger by measuring serum LH at the start of ovarian stimulation.
Popovic-Todorovic B Santos-Ribeiro S Drakopoulos P De Vos M Racca A Mackens S Thorrez Y Verheyen G Tournaye H Quintero L Blockeel C
Hum Reprod. 2019 Sep 27. pii: dez132. doi: 10.1093/humrep/dez132. [Epub ahead of print]

Correction to: ICSI does not offer any benefit over conventional IVF across different ovarian response categories in non-male factor infertility: a European multicenter analysis.
Drakopoulos P Garcia-Velasco JA Bosch E Blockeel C De Vos M Santos-Ribeiro S Makrigiannakis A Tournaye H Polyzos NP
J Assist Reprod Genet. 2019 Oct;36(10):2077-2078. doi: 10.1007/s10815-019-01586-8.

ICSI does not offer any benefit over conventional IVF across different ovarian response categories in non-male factor infertility: a European multicenter analysis.
Drakopoulos P García-Velasco JA Bosch E Blockeel C De Vos M Santos-Ribeiro S Makrigiannakis A Tournaye H Polyzos NP
J Assist Reprod Genet. 2019 Aug 22. doi: 10.1007/s10815-019-01563-1. [Epub ahead of print]

The role of progesterone elevation in IVF.
Drakopoulos P Racca A Errázuriz J De Vos M Tournaye H Blockeel C Pluchino N Santos-Ribeiro S
Reprod Biol. 2019 Feb 15. pii: S1642-431X(18)30435-2. doi: 10.1016/j.repbio.2019.02.003. [Epub ahead of print] Review.

Towards complication-free assisted reproduction technology.
Santos-Ribeiro S Mackens S Racca A Blockeel C
Best Pract Res Clin Endocrinol Metab, NA:NA -NA, 2018.

Cumulative live birth rates according to the number of oocytes retrieved following the first ovarian stimulation for IVF/ICSI: A multicentre multinational analysis including ~15.000 women.
Polyzos NP Drakopoulos P Parra J Pellicer A Santos-Ribeiro S Tournaye H Bosch E García-Velasco JA
Fertil Steril, 110(4):661-670, 2018.

The association between alcohol intake and cardiac remodeling: an analysis from the CARDIA Study
Rodrigues P Santos-Ribeiro S Teodoro T Veloso-Gomes F Leal I Soares SR Goff Jr D Gonçalves A Lima J
J Am Coll Cardiol, 2018.

The Effect of Dose Adjustments in a Subsequent Cycle of Women With Suboptimal Response Following Conventional Ovarian Stimulation
Drakopoulos P Santos-Ribeiro S Bosch E García-Velasco JA Blockeel C Romito A Tournaye H Polyzos NP
Front Endocrinol (Lausanne), 9:361-361, 2018.

Cumulative live birth rates after IVF in patients with polycystic ovaries: phenotype matters.
De Vos M Pareyn S Drakopoulos P Raimundo JM Anckaert E Santos-Ribeiro S Polyzos NP Tournaye H Blockeel C
Reprod Biomed Online, 2018.

Pregnancy after vasectomy: surgical reversal or assisted reproduction?
Valerie U De Brucker S De Brucker M Vloeberghs V Drakopoulos P Santos-Ribeiro S Tournaye H
Tournaye H.Hum Reprod, 1;33(7):1218-27, 2018.

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, 12:1-6, 2018.

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, 33(5):860-868, 2018.

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, 33(2):196, 2018.

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
Reprod Biomed Online, 2018;36(4):416-26, 2018.

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

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

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

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 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

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 Verheyen G Tournaye H Blockeel C
Hum Reprod 2016;31(12):2803-10

Reduced blastocyst formation in reduced culture volume.
De Munck N Santos-Ribeiro S Mateizel I Verheyen G Tournaye H
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 Blockeel C
J Assist Reprod Genet 2015;32(7):1063-8

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

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 Tournaye H
Hum Reprod 2014;29(8):1698-705

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Presentations

Schutyser V Santos-Ribeiro S De Vos M Boudry L Tournaye H Blockeel C P-294: Should we care about polyps detected during the follicular phase of intrauterine insemination treatments?. Presented at annual meeting of the 66th European Society of Human Reproduction and Embryology, Vienna, Austria, 23-26 June 2019

Mackens S Racca A Van de Velde H Tournaye H Stoop D Blockeel C Santos-Ribeiro S P-367: Increased miscarriage rates following follicular-phase endometrial scratching. Presented at annual meeting of the 66th European Society of Human Reproduction and Embryology, Vienna, Austria, 23-26 June 2019

Racca A Vanni V Somigliana E Viganò P Santos-Ribeiro S De Coppel J Campo G Tournaye H Enrico P Blockeel C P-601: Impact of elevated progesterone on cumulative live birth rates: an analysis of 956 freeze-only cycles. Presented at annual meeting of the 66th European Society of Human Reproduction and Embryology, Vienna, Austria, 23-26 June 2019

Errazuriz J Romito A Santos-Ribeiro S Popovic-Todorovic B Racca A Tournaye H De Vos M Blockeel C P-637: Modified natural cycle IVF versus conventional stimulation in advanced-age Bologna poor responders. Presented at annual meeting of the 66th European Society of Human Reproduction and Embryology, Vienna, Austria, 23-26 June 2019

Mostinckx L Segers I Belva F Buyl R Santos-Ribeiro S Blockeel C Smitz J Anckaert E Tournaye H De Vos M P-756: Obstetric and neonatal outcome of assisted reproductive technology (ART) in patients with polycystic ovaries (PCO): in vitro maturation (IVM) of oocytes versus controlled ovarian stimulation. Presented at annual meeting of the 66th European Society of Human Reproduction and Embryology, Vienna, Austria, 23-26 June 2019

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