Bella Martazanova

ORCID: 0000-0002-2364-906X
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About
Contact & Profiles
Research Areas
  • Reproductive Biology and Fertility
  • Ovarian function and disorders
  • Assisted Reproductive Technology and Twin Pregnancy
  • Sperm and Testicular Function
  • Ectopic Pregnancy Diagnosis and Management
  • Renal and related cancers
  • Reproductive System and Pregnancy
  • Regional Socio-Economic Development Trends
  • Endometriosis Research and Treatment
  • Genetic and phenotypic traits in livestock
  • Prenatal Screening and Diagnostics
  • Agriculture and Biological Studies

National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of the Ministry of Healthcare of the Russian Federation
2017-2023

To evaluate if it is safe and effective to transfer poor quality embryos.It was a retrospective analysis using individual patient data with positive controls. All patients undergoing embryo transfers of embryos on day 3 or 5 as part fresh In Vitro Fertilization (IVF) cycles performed between 2012 2016. This study assessed total 738 from 488 IVF programs. 261 were (402 transferred) 227 (336 transferred). Control group consisted 9893 fair good 5994 Outcome rates compared two-tailed Fisher...

10.1186/s40738-020-00072-5 article EN cc-by Fertility Research and Practice 2020-02-19

Interleukin 8 (IL-8), vascular endothelial growth factor A (VEGFA), its receptors 1 (VEGFR1) and 2 (VEGFR2) are associated with ovarian hyperstimulation syndrome (OHSS) pathophysiological mechanisms. The aim of this study was to evaluate the concentrations these cytokines depending on way ovulation triggering.A total 51 high-responder patients underwent IVF program received gonadotropin-releasing hormone agonists (GnRHa) trigger + 1500 IU human chorionic gonadotropin (hCG) support oocyte...

10.1111/aji.13381 article EN American Journal of Reproductive Immunology 2020-11-28

The major limitations associated with gonadotropin-releasing hormone agonist (GnRHa) triggering are inferior clinical outcomes in fresh embryo transfer cycles caused by luteal phase insufficiency following the GnRHa triggering. We included 153 high-risk patients this study. In group I, received trigger + 1,500 IU human chorionic gonadotropin (hCG) support on oocyte pick-up (OPU) day; II, had a dual (GnRHa hCG); and III (control), 10,000 hCG was prescribed for final maturation. levels of LH,...

10.3389/fendo.2022.834627 article EN cc-by Frontiers in Endocrinology 2022-08-15

Abstract Study question is there correlation between the mtDNA copy number in cumulus cells and anti-Mullerian hormone level,female age, oocyte quality, embryo morphology, ploidy blastocyst implantation rate? Summary answer A positive of quantity CCs with AMH,female age was revealed.There no morphology,ploidy,implantation rate What known already Recent studies have suggested that age-related decreased competence oocytes may be due to low number. Moreover, quantification serve as an predictor...

10.1093/humrep/dead093.972 article EN Human Reproduction 2023-06-01

Abstract Study question Does the luteal phase stimulation (LPS) impact embryological outcomes, euploid blastocyst rate, and pregnancy rate compared to conventional in donor-recipient cycles? Summary answer LPS is associated with similar among corresponding recipients follicular phase. What known already has been suggested for fertility preservation cancer patients, but now it a part of new double-stimulation strategy applied poor responders. Some studies found no difference number oocytes...

10.1093/humrep/deab130.606 article EN Human Reproduction 2021-07-01
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