Polyzos NP

No ORCID on file · 12 papers in corpus · active 2011-2026

Study types

  • other 3
  • article 2
  • review 1

Condition tags

  • endometriosis 4
  • infertility 1
other 2026
Intrapatient variability in the number of retrieved oocytes and ovarian response categories between consecutive in vitro fertilization cycles
Fertility and sterility ·doi:10.1016/j.fertnstert.2026.03.020

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 …

other 2025
Serum progesterone concentrations and subcutaneous progesterone supplementation in endometriosis: artificial-cycle frozen embryo transfer
Reproductive biomedicine online ·doi:10.1016/j.rbmo.2025.105107

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…

other 2024
Patients with low prognosis in ART: a Delphi consensus to identify potential clinical implications and measure the impact of POSEIDON criteria
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-024-01291-x

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…

2020
COVID-19 and assisted reproductive technology services: repercussions for patients and proposal for individualized clinical management.
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-020-00605-z

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…

article 2020
Do ovarian endometriomas affect ovarian response to ovarian stimulation for IVF/ICSI?
Reproductive biomedicine online ·doi:10.1016/j.rbmo.2020.03.013

Research questionDoes the presence of ovarian endometriomas affect ovarian response to ovarian stimulation after adjusting for age and ovarian reserve markers?DesignThis retrospective cross-sectional study compared the ovarian response betw…

2020
Freeze-all versus fresh blastocyst transfer strategy during in vitro fertilisation in women with regular menstrual cycles: multicentre randomised controlled trial.
BMJ (Clinical research ed.) ·doi:10.1136/bmj.m2519

ObjectiveTo compare the ongoing pregnancy rate between a freeze-all strategy and a fresh transfer strategy in assisted reproductive technology treatment.DesignMulticentre, randomised controlled superiority trial.SettingOutpatient fertility …

2019
ICSI does not offer any benefit over conventional IVF across different ovarian response categories in non-male factor infertility: a European multicenter analysis.
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-019-01563-1

PurposeTo evaluate whether ICSI offers any benefit compared with IVF in different ovarian response categories in case of non-male factor infertility.MethodsThis is a retrospective multicenter analysis using individual patient data, conducte…

2019
Serum Anti-Müllerian Hormone Is Significantly Altered by Downregulation With Daily Gonadotropin-Releasing Hormone Agonist: A Prospective Cohort Study.
Frontiers in endocrinology ·doi:10.3389/fendo.2019.00115

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 …

article 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?
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology ·doi:10.1080/09513590.2018.1460346

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…

2018
The Effect of Dose Adjustments in a Subsequent Cycle of Women With Suboptimal Response Following Conventional Ovarian Stimulation.
Frontiers in endocrinology ·doi:10.3389/fendo.2018.00361

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 …

2012
Obstetric outcome in donor oocyte pregnancies: a matched-pair analysis.
Reproductive biology and endocrinology : RB&E ·doi:10.1186/1477-7827-10-42

BackgroundTo 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 autologous…

review 2011
Aromatase inhibitors in post-menopausal endometriosis
Reproductive biology and endocrinology : RB&E ·doi:10.1186/1477-7827-9-90

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…