Purpose Advancing maternal and paternal age leads to a decrease in fertility, and hence,
many infertile couples opt for assisted reproductive technologies [ART] to achieve biological …

Teratozoospermia is characterized by the presence of spermatozoa with abnormal
morphology over 85% in sperm. When all the spermatozoa display a unique abnormality …

Recurrent implantation failure (RIF) is defined as the absence of a positive pregnancy test
after three consecutive transfers of good quality embryos. There remains significant variation …

We reviewed the frequency and distribution of disomy in spermatozoa obtained by multicolor-
FISH analysis on decondensed sperm nuclei in (a) healthy men,(b) fathers of aneuploid …

Background We evaluated cytogenetic results occurring with first trimester pregnancy loss,
and assessed the type and frequency of chromosomal abnormalities after assisted …

Background Embryos produced by in vitro fertilization (IVF) have a high level of aneuploidy,
which is believed to be a major factor affecting the success of human assisted reproduction …

The sperm is essential for reconstitution of embryonic diploidy and highly specialized
developmental functions. Immediately after gamete fusion, the sperm-borne PLC-zeta …

Infertility is estimated to affect up to 15% of couples of reproductive age. Among the male
factors, globozoospermia (also called round‐headed sperm syndrome) is a rare type of …

In light of the relative success of ICSI in the treatment of male infertility, much importance has
been made to the selection of morphologically viable sperm. However, correlation between …

Selenium (Se), an essential trace metal, is important in both growth and reproduction and is
the constituent of different selenoproteins. The glutathione peroxidase (GPx) family is the …