Sifer C
No ORCID on file
· 18 papers in corpus
observational
2025
BACKGROUND: The PPOS (Progestin Primed Ovarian Stimulation) protocol has been evaluated and has proved its effectiveness in preventing the LH (luteinizing hormone) surge. This protocol is often used for cryopreservation for social reasons b…
observational
2022
BACKGROUND: In absence of contraindication, breast cancer patients of reproductive age can undergo fertility preservation with controlled ovarian stimulation for oocyte/embryo cryopreservation before the administration of potentially gonado…
observational
2021
STUDY QUESTION: Does unilateral oophorectomy modify the relationship between serum anti-Müllerian hormone (AMH) levels and antral follicle count (AFC)? SUMMARY ANSWER: No altered 'per-ovary' and 'per-follicle' AMH production and antral fol…
observational
2018
observational
2017
Non-ART pregnancy predictive factors in infertile patients with peritoneal superficial endometriosis
OBJECTIVE: To study the predictive factors for non-ART pregnancy in infertile women after laparoscopic diagnosis and surgery for isolated superficial peritoneal endometriosis (SUP). STUDY DESIGN: Retrospective observational study from Janu…
observational
2017
OBJECTIVE: To perform a prospective evaluation of postoperative fertility management using the endometriosis fertility index (EFI). STUDY: This prospective non-interventional observational study was performed from January 2013 to February …
observational
2016
INTRODUCTION: The aim of our study was to compare the stage and severity of endometriosis in fertile and infertile women with congenital uterine malformations. MATERIAL AND METHODS: We performed an observational study from September 2007 t…
other
2015
The revised American Fertility Society classification system has been most used after surgery by all consensus on endometriosis fertility. However, it does not predict pregnancy. The EFI score has been recently developed to aim at predictin…
observational
2015
OBJECTIVE: To show an external validation of the Endometriosis Fertility Index (EFI) and to observe cumulated pregnancy rates after infertility management combining surgery and assisted reproductive technologies (ART). DESIGN: Observationa…
review
2015
The use of laparoscopy in infertility is currently controversial. However, laparoscopic treatment of tubal and peritoneal disease, or endometriosis improves natural fecundity and ART results. The use of laparoscopy in unexplained infertilit…
observational
2015
OBJECTIVE: To determine prognostic factors for a second live birth, after a first child obtained through assisted reproductive techniques (ART). DESIGN: Observational study from January 2004 to December 2014. SETTING: Tertiary care univer…
observational
2013
Lifestyle factors, such as weight and nutritional status may affect male fertility, including sperm fertilization ability. The objective of this retrospective study was to evaluate the association between body mass index (BMI) and sperm-zon…
other
2012
OBJECTIVE: The use of laparoscopy in unexplained infertility work-up is still a subject of debate, although laparoscopy remains the gold standard for diagnosis and treatment of several pelvic pathologies. The objective of this study was to …
rct
2009
PURPOSE: To compare the effects of 2 different media on embryo morphology and development at days 2/3. METHOD: Six hundred seventy-six attempts from 512 couples were included in this prospective auto-controlled study. Sibling oocytes of al…
other
2008
PURPOSE: Evaluate the effect of short gamete incubation on fertilization rate and embryo quality. METHODS: A prospective study has been performed. Two thousand five hundred and forty seven sibling oocytes from 240 couples undergoing IVF at…
observational
2006
OBJECTIVE: To investigate the follicular response to controlled ovarian hyperstimulation (COH) in IVF-ET cycles after laparoscopic ovarian cystectomy for large endometriomas. PATIENTS AND METHODS: In the set of a retrospective controlled s…
other
2002
OBJECTIVE: The aim of this study was to investigate the relationship between induced apoptosis of human luteinized granulosa cells (GCs) and in vitro fertilization (IVF) outcome. STUDY DESIGN: We induced apoptosis with interferon gamma and…
observational
2001
BACKGROUND: The aim of our study was to measure concentrations of vascular endothelial growth factor (VEGF), platelet endothelial cell adhesion molecule-1 (PECAM-1) CD31 and vascular cell adhesion molecules (VCAM-1) in the follicular fluid …