Polyzos NP
No ORCID on file
· 13 papers in corpus
other
2026
OBJECTIVES: This study evaluated the efficacy of individualized follitropin delta dosing in patients with potential low response, defined by anti-Müllerian hormone (AMH) level <9 pmol/L, undergoing ovarian stimulation for assisted reproduct…
observational
2026
OBJECTIVE: To examine intrapatient variability in retrieved oocyte numbers across consecutive in vitro fertilization (IVF) ovarian stimulation (OS) cycles with an identical OS protocol. DESIGN: Cross-continental, multicenter retrospective …
observational
2025
RESEARCH QUESTION: Are there differences between patients with and without endometriosis in progesterone concentrations the day before artificial-cycle frozen embryo transfer (AC-FET) and in live birth rate (LBR) following subcutaneous prog…
guideline
2024
BACKGROUND: Currently, there is no consensus on the optimal management of women with low prognosis in ART. In this Delphi consensus, a panel of international experts provided real-world clinical perspectives on a series of literature-suppor…
other
2020
The prolonged lockdown of health services providing high-complexity fertility treatments -as currently recommended by many reproductive medicine entities- is detrimental for society as a whole, and infertility patients in particular. Global…
observational
2020
RESEARCH QUESTION: Does the presence of ovarian endometriomas affect ovarian response to ovarian stimulation after adjusting for age and ovarian reserve markers? DESIGN: This retrospective cross-sectional study compared the ovarian respons…
rct
2020
OBJECTIVE: To compare the ongoing pregnancy rate between a freeze-all strategy and a fresh transfer strategy in assisted reproductive technology treatment. DESIGN: Multicentre, randomised controlled superiority trial. SETTING: Outpatient …
observational
2019
PURPOSE: To evaluate whether ICSI offers any benefit compared with IVF in different ovarian response categories in case of non-male factor infertility. METHODS: This is a retrospective multicenter analysis using individual patient data, co…
nonrandomized-trial
2019
Research Question: What is the effect of gonadotropin-releasing hormone (GnRH)-agonist treatment on serum anti-Müllerian hormone (AMH)? Design: This prospective cohort study conducted in a tertiary university hospital comprised patients (n …
observational
2018
Since the introduction of gonadotropin-releasing hormone (GnRH) antagonists, an extensive amount of literature investigating the role of the downregulation protocols on pregnancy outcomes has been published. However, these studies were main…
other
2018
Several infertile patients, who may even represent around 40% of the infertile cohort, may respond "suboptimally" (4-9 oocytes retrieved) following IVF, despite being predicted as normal responders. The aim of our longitudinal study was to …
observational
2012
BACKGROUND: To investigate the obstetrical and perinatal impact of oocyte donation, a cohort of women who conceived after OD was compared with a matched control group of women who became pregnant through in vitro fertilisation with autologo…
review
2011
Postmenopausal endometriosis is a rare clinical condition. The diagnosis and treatment of an endometriotic lesion in postmenopausal women is complicated. First line treatment choice should be surgical, given that there is a potential risk o…