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This study aiming to investigate if difference in the timing of cumulus removal post retrieval would have any critical impact on fertilization and embryonic development.
Patients under 37 year old who were treated with controlled ovarian stimulation for ICSI were randomly divided into 2 groups; Group A: Oocytes were denudated immediately after oocyte retrieval , Group B: Oocytes were denudated 2 hours after retrieval and both groups were microinjected at 4 hours from ovum pickup. Microinjection was performed on all matured oocytes only and they were cultured to blastocyst stage.The rates of maturation, fertilization, good quality blastulation, chemical pregnancy and clinical pregnancy were analysed and compared between the two groups.
denudation time lag
Hawaa Fertility Center
Published on BioPortfolio: 2019-12-10T01:21:05-0500
The relation between the timing of COC denudation and oocyte /embryo quality is controversial. The aim of this study is to examine whether timing of denudation of sibling oocytes has any e...
Analyze the effect of preincubation time of oocyte on the results of ICSI in a oocyte donation model.
The cumulus-corona-oocyte complex (COCs) surrounds each oocyte and must be removed prior to intracytoplasmic sperm injection (ICSI). This is traditionally achieved with a bovine-derived hy...
The aim of this study is to evaluate the impact of endometriosis on folliculogenesis and oocyte quality. To do so, a metabolomic approach will be conducted in order to analyze the follicul...
The need for non-invasive biomarkers of oocyte competency has become urgent as women increasingly delay attempts at childbearing. The aging process is complex and includes impaired mitocho...
Penile denudation is a devastating condition often reconstructed with a split-thickness skin graft(STSG). As this kind of reconstruction is challenging, we present an non-invasive treatment using Manu...
Cardiovascular diseases remain the leading cause of morbidity and mortality worldwide, particularly among older adults. Despite the advent of medical technology, restenosis is still an issue after int...
Cardiovascular diseases (CVD) are more frequent among postmenopausal women due to the decline of estrogen concentration in plasma. However, the role of the vascular modulator effect of estrogen is con...
Staphylococcal scalded skin syndrome causes widespread skin denudation primarily in infants
The physiological time axis of oocyte maturation comprises highly sensitive processes. A prolonged time span between ovulation and fertilization may impair oocyte developmental competence and subseque...
Form of epidermolysis bullosa having onset at birth or during the neonatal period and transmitted through autosomal recessive inheritance. It is characterized by generalized blister formation, extensive denudation, and separation and cleavage of the basal cell plasma membranes from the basement membrane.
Minute cells produced during development of an OOCYTE as it undergoes MEIOSIS. A polar body contains one of the nuclei derived from the first or second meiotic CELL DIVISION. Polar bodies have practically no CYTOPLASM. They are eventually discarded by the oocyte. (from King & Stansfield, A Dictionary of Genetics, 4th ed)
The structural and functional changes by which SPERMATOZOA become capable of oocyte FERTILIZATION. It normally requires exposing the sperm to the female genital tract for a period of time to bring about increased SPERM MOTILITY and the ACROSOME REACTION before fertilization in the FALLOPIAN TUBES can take place.
An OOCYTE-containing structure in the cortex of the OVARY. The oocyte is enclosed by a layer of GRANULOSA CELLS providing a nourishing microenvironment (FOLLICULAR FLUID). The number and size of follicles vary depending on the age and reproductive state of the female. The growing follicles are divided into five stages: primary, secondary, tertiary, Graafian, and atretic. Follicular growth and steroidogenesis depend on the presence of GONADOTROPINS.
The ability to estimate periods of time lapsed or duration of time.
Track and monitor developments in stem cell research and commercial development. Follow the tabs above to read the latest global news, research, clinical trials on stem cells and follow companies active in the stem cell industry. BioPort...
Obstetrics and gynaecology
Fertility Menopause Obstetrics & Gynaecology Osteoporosis Women's Health Obstetrics and gynaecology comprises the care of the pregnant woman, her unborn child and the management of diseases specific to women. Most consultant...