Results 1 to 10 of about 302,375 (263)

#283 : Fertilization Rate and Embryonic Morphokinetic Parameters According to the Spindle Pattern in the Oocyte in Patients Over 40 Years of Age Who Underwent Polscope-Based ICSI

open access: yesFertility & Reproduction, 2023
Background and Aims: The spindle is an essential cellular organelle that plays an important role in the oocyte during chromosome alignment and separation at meiosis.
Su Hyeon Kim   +6 more
doaj   +1 more source

Soil Fertility and Fertilizers

open access: yesAIBS Bulletin, 1957
Soil fertility and fertilizers , Soil fertility and fertilizers , مرکز فناوری اطلاعات و اطلاع رسانی ...
Samuel L. Tisdale, Werner L. Nelson
  +5 more sources

Assessing spermatozoal small ribonucleic acids and their relationship to blastocyst development in idiopathic infertile males

open access: yesScientific Reports, 2022
Clinical testing strategies for diagnosing male factor infertility are limited. A deeper analysis of spermatozoa-derived factors could potentially diagnose some cases of ‘unexplained infertility’.
Matthew Hamilton   +4 more
doaj   +1 more source

Transcriptomics of cumulus cells – a window into oocyte maturation in humans

open access: yesJournal of Ovarian Research, 2020
Background Cumulus cells (CC) encapsulate growing oocytes and support their growth and development. Transcriptomic signatures of CC have the potential to serve as valuable non-invasive biomarkers for oocyte competency and potential.
Brandon A. Wyse   +5 more
doaj   +1 more source

Future Fertility in Low Fertility Countries [PDF]

open access: yesInstitut für Demographie - VID, 2021
This chapter discusses results of the global survey of experts on the future of low fertility in low-fertility countries. The survey was coordinated by the Wittgenstein Centre for Demography and Global Human Capital as a part of an effort to produce global argument based population projections by age, sex and level of education.
Basten, Stuart   +18 more
openaire   +2 more sources

Human sperm vitrification: the state of the art

open access: yesReproductive Biology and Endocrinology, 2020
Sperm cryopreservation has been widely used in assisted reproductive technology (ART) and has resulted in millions of live births. Two principal approaches have been adopted: conventional (slow) freezing and vitrification.
Yong Tao   +3 more
doaj   +1 more source

Features of chromosomal abnormalities in relation to consanguinity: analysis of 10,556 blastocysts from IVF/ICSI cycles with PGT-A from consanguineous and non-consanguineous couples

open access: yesScientific Reports, 2023
Consanguineous marriage is defined as marriage between first or second-degree cousins, with high prevalence in many cultures and societies. Descendants from consanguineous unions have an increased risk for genetic diseases.
Laura Melado   +7 more
doaj   +1 more source

#305 : Preparation of Epididymal/Testicular Spermatozoa; Technical Aspects and Its Impact on Success

open access: yesFertility & Reproduction, 2023
Background and Aims: The introduction of ICSI 30 years ago paved the way for epididymal/testicular spermatozoa to be used to fertilise oocytes in couples undergoing ART.
Hesham Eltemimy   +4 more
doaj   +1 more source

Comparative Analysis of Logistic Regression, Random Forest, and SVM for Asthma Risk Prediction Using Demographic, Clinical, and Environmental Features

open access: yesJournal of Applied Informatics and Computing
Asthma prediction demands architectures capable of capturing multifactorial interactions among demographic, clinical, and environmental determinants.
Barnabas Belieffain Fertility  Daeli   +1 more
doaj   +1 more source

Is day 7 culture necessary for in vitro fertilization of cryopreserved/warmed human oocytes?

open access: yesReproductive Biology and Endocrinology, 2020
Background Human embryos are usually cultured to blastocyst stage by Day 5 or 6 after insemination. However, some embryos grow slowly and reach blastocyst stage at Day 7.
Xiangli Niu   +4 more
doaj   +1 more source

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