Polyvinylpyrrolidone (PVP) is a water-soluble polymer obtained by polymerization of
monomer N-vinylpyrrolidone. PVP is an inert, non-toxic, temperature-resistant, pH-stable …

BACKGROUND Factor affecting sperm retrieval rate (SRR) or pregnancy rates (PR) after
testicular sperm extraction (TESE) in patients with non-obstructive azoospermia (NOA) have …

BACKGROUND ICSI is currently the most commonly used assisted reproductive technology,
accounting for 70–80% of the cycles performed. This extensive use, even excessive, is partly …

BACKGROUND In humans, normal healthy children are regularly produced through
fertilization of fresh oocytes with fresh spermatozoa. However, asynchrony between oocytes …

One couple in 10 seeks medical help because of infertility. A 1982–85 multicentre study by
the World Health Organization found that in 20% of cases the problem was predominantly …

The literature contains conflicting evidence regarding the existence of DNA damage in
spermatozoa from infertile male patients. To examine this phenomenon, we have studied …

Infertility creates an immense impact on the psychosocial wellbeing of affected couples,
leading to poor quality of life. Infertility is now considered to be a global health issue …

In this study (May 1 until August 31, 1994) a total of 15 azoospermic patients suffering from
testicular failure were treated with a combination of testicular sperm extraction (TESE) and …

Because the ovarian response to FSH stimulation in assisted reproduction is variable,
ranging from hyporesponse to hyperresponse, with the possible complication of ovarian …

Spermatozoa leaving the testis of normal animals are not ready to fertilise oocytes. They
gain this ability while passing through the epididymis. It is interesting that spermatozoa of …