Results 21 to 30 of about 34,690 (224)
Dynamics of 5-methylcytosine and 5-hydroxymethylcytosine during pronuclear development in equine zygotes produced by ICSI [PDF]
, 2017 Background: Global epigenetic reprogramming is considered to be essential during embryo development to establish totipotency. In the classic model first described in the mouse, the genome-wide DNA demethylation is asymmetric between the paternal and the ...
De Schauwer, Catharina +3 more
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Intracytoplasmic morphologically selected sperm injection versus conventional intracytoplasmic sperm injection: A randomized controlled trial [PDF]
, 2015 Background: Intracytoplasmic morphologically selected sperm injection (IMSI) is still proposed and employed in the clinical practice to improve the reproductive outcome in infertile couples scheduled for conventional intracytoplasmic sperm injection ...
Falbo, Angela +8 more
core +3 more sources
Intracytoplasmic Sperm Injection: Technical Improvement
Taiwanese Journal of Obstetrics & Gynecology, 2005 Successful fertilization using intracytoplasmic sperm injection (ICSI) was first reported in 1988 and the first successful ICSI pregnancy was in 1992. Since then, this technology has quickly become an indispensable technique in reproductive medicine, and
Atsushi Yanaihara +3 more
doaj +1 more source
Fertility & Reproduction, 2023 Background and Aims: Embryo aneuploidy is caused by many factors, including patient age, sperm quality and sperm selection method. There are several methods for selecting sperm, ICSI (intracytoplasmic sperm injection) and IMSI (intracytoplasmic ...
Reza Raharjo +3 more
doaj +1 more source
Sperm retrieval techniques in azoospermic patients: PESA, MESA, TESA, TESE and MICROTESE [PDF]
Einstein (São Paulo), 2009 Azoospermia is defined as the absence of mature spermatozoa in semen analysis after centrifugation. The causes of azoospermia may be related to spermatogenesis defects and classified as non-obstructive azoospermia, or to the obstruction of the efferent ...
Marcelo Vieira, Sidney Glina
doaj
SVU - International Journal of Medical Sciences, 2022 Background: Mild(soft, minimal) protocols have been proposed as an alternative to the classical protocols , a controlled ovarian stimulation is defined as “soft” either when (a) Gonadotrophins (Gn) are given at a lower dose and/or for a short period ...
Abd El-Naser Abd El-Gaber Ali +3 more
doaj +1 more source
Journal of Human Reproductive Sciences, 2018 Aim: This study was carried out to assess the outcome of the intracytoplasmic morphologically selected sperm injection (IMSI) technique compared with the previous failed intracytoplasmic sperm injection (ICSI) attempts in oligoasthenoteratozoospermia ...
Geeta Goswami +3 more
doaj +1 more source
IMSI—Guidelines for Sperm Quality Assessment
Diagnostics, 2022 Intracytoplasmic sperm injection (ICSI) is a widely used and accepted treatment of choice for oocyte fertilization. However, the quality of sperm selection depends on the accurate visualization of the morphology, which can be achieved with a high image ...
Krzysztof Lukaszuk +8 more
doaj +1 more source
Kufa Journal for Nursing Sciences, 2014 Objectives: Studying some Factors Affecting pregnancy outcome in subfertile couples subjected to intracytoplasmic sperm injection. Methodology: study performed in fertility center in Al-Sadder teaching hospital in Al-Najaf city during the period ...
Aseel Jassim Al-Bderi +2 more
doaj +1 more source
Automatic segmentation of intracytoplasmic sperm injection images
Компьютерная оптика, 2022 In this paper, a multiclass image semantic segmentation problem was solved. For analysis, images of the intracytoplasmic sperm injection process were used. For training the neural network, 656 frames were manually labelled. As a result, each pixel of the
V.Y. Kovalev, A.G. Shishkin
doaj +1 more source