Background The wide implementation of sperm freezing presents a growing burden on
sperm banks. Objectives To evaluate sperm freezing and usage patterns over 30 years …

Data about cryoprotectant-free cryopreservation of human ICSI spermatozoa are limited. The
aim of this investigation was to compare two technologies for cryopreservation of …

The birth of children after infertility treatment of married couples with the help of assisted
reproductive technologies has become a reality after many years of basic research on the …

Seasonality affects the morphological and functional characteristics of reproductive cells,
which makes the natural reproduction of dairy goats possible only in certain seasons …

Background Classic vitrification methods are not appropriate when there are minimal
numbers of viable sperm, and the new methods emphasize the low semen volumes in these …

Cryopreservation of gametes is one of the important stages of assisted reproductive
technologies (ART). To obtain high results using ART, it is essential to cryopreserve sperm …

Simple Summary In this study we compare the impact of cryopreservation with dextran and
egg yolk on motility, morphology, and DNA integrity of spermatozoa of dogs of different ages …

This study was conducted to evaluate manila duck's (Cairina moschata) frozen semen
quality after cryopreservation in lactated ringer's egg yolk-astaxanthin (LREY-A) with 5 …

This publication reports, for the first time, the birth of a healthy child after intracytoplasmic
sperm injection (ICSI) of motile spermatozoa after conventional (“slow”) freezing of …

Introduction: Sperm morphology analysis is very necessary to understand male fertility and
the etiology of infertility. Currently, scanning electron microscopy (SEM) has been widely …