Results 181 to 190 of about 54,369 (287)

Laboratory processing and intracytoplasmic sperm injection using epididymal and testicular spermatozoa: what can be done to improve outcomes?

open access: yesClinics, 2013
There are two main reasons why sperm may be absent from semen. Obstructive azoospermia is the result of a blockage in the male reproductive tract; in this case, sperm are produced in the testicle but are trapped in the epididymis.
Wana Popal, Zsolt P. Nagy
doaj  

O-064. ICSI of cryopreserved non-ejaculated spermatozoa: a comparative study of outcome in patients with obstructive and non-obstructive azoospermia

open access: bronze, 1997
S. Friedler   +8 more
openalex   +1 more source

A comprehensive review of genetics and genetic testing in azoospermia

open access: yesClinics, 2013
Azoospermia due to obstructive and non-obstructive mechanisms is a common manifestation of male infertility accounting for 10-15% of such cases. Known genetic factors are responsible for approximately 1/3 of cases of azoospermia. Nonetheless, at least 40%
Alaa J. Hamada   +2 more
doaj  

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