Results 1 to 10 of about 1,670,336 (250)

Comparison of sperm retrieval and reproductive outcome in azoospermic men with testicular failure and obstructive azoospermia treated for infertility

Asian Journal of Andrology, 2014
We assessed the rates of sperm retrieval and intracytoplasmic sperm injection outcomes, including the neonatal profile of infants conceived, in men with testicular failure.
Sandro C Esteves, Christina Prudencio, Bill Seol, Sidney Verza, Christopher Knoedler, Ashok Agarwal   +5 more
doaj   +2 more sources

Micro-dissection testicular sperm extraction as an alternative for sperm acquisition in the most difficult cases of Azoospermia: Technique and preliminary results in India

Journal of Human Reproductive Sciences, 2013
Context: Non-obstructive azoospermia (NOA) is an unfavorable prognostic condition for male infertility since spermatogenesis is disrupted. Sperm retrieval (SR) coupled with intracytoplasmic sperm injection (ICSI) is the only option for men with NOA who ...
Mohamed C Ashraf, Sankalp Singh, Dharma Raj, Sujatha Ramakrishnan, Sandro C Esteves   +4 more
doaj   +2 more sources

Effect of priming injections of luteinizing hormone-releasing hormone on spermiation and ovulation in Gϋnther's Toadlet, Pseudophryne guentheri

Reproductive Biology and Endocrinology, 2011
Background In the majority of vertebrates, gametogenesis and gamete-release depend on the pulsatile secretion of luteinizing hormone-releasing hormone (LHRH) from the hypothalamus.
Silla Aimee J
doaj   +2 more sources

A Comparative Analysis of Intratesticular Versus Intra‐Epididymal Injections of Clove Essential Oil on Male Dog Sterilization [PDF]

Veterinary Medicine and Science
Background Chemical castration offers a highly beneficial and safe alternative to surgical sterilization for stray male dogs. Objective This study investigates the effectiveness of intratesticular (ITI) and intra‐epididymal (IEI) injections of clove ...
Morteza Poormohammad, Mohammad Hossein Safari, Shadi Emami Moghadam, Ourang Ataie Amarloie, Mehran Farhoodi Moghadam, Pegah Valitabar, Fariborz Moayer   +6 more
doaj   +2 more sources

Effect of vitamin E injection and seasonal changes on ram semen characteristics [PDF]

Open Veterinary Journal
Background: This study aimed to examine the effect of vitamin E injection and seasonal changes on semen characteristics (pH, ejaculation volume, mass motility, progressive motility, sperm concentration, live sperm, dead sperm, and abnormal sperm) in ...
Falah Abd-Allah Al-Asadi, Waleed Yousif Kassim, Hassan Nima Habib   +2 more
doaj   +2 more sources

Seasonality’s Impact on Patients Receiving Intracytoplasmic Sperm Injections: A Reproductive Analysis

Journal of Pharmacy and Bioallied Sciences
Background: There is conflicting evidence regarding the impact of season on the assisted reproductive technology outcome. Therefore, this study aimed to retrospectively compare the outcomes of patients undergoing their first ICSI cycle, across four ...
Fatimah A. Alzahrani, Zainab Al Hubil, Abdullrahman Mohammed Bawahab, Mamdoh Eskandar   +3 more
doaj   +2 more sources

Effect of testicular spermatozoa culture on pregnancy outcomes: an experience at a single university hospital [PDF]

Yeungnam University Journal of Medicine, 2021
Background There are no guidelines for the optimal incubation time or temperature to improve pregnancy outcomes in testicular sperm extraction-intracytoplasmic sperm injection (TESE-ICSI) cycles. We aimed to evaluate whether a 24-hour in vitro culture of
Jisun Lee, Jung Hyeon Yoo, Jae Hun Lee, Hyun Soo Ahn, Kyung Joo Hwang, Miran Kim   +5 more
doaj   +1 more source

Use of 2-aminoethanesulfonic acid (taurine) for cryopreservation and storage of Siberian sturgeon sperm [PDF]

E3S Web of Conferences, 2021
The research aimed to determine the effect of different taurine concentrations on the duration of sperm fertility preservation and the results of further use during cryopreservation.
Kovalev Konstantin, Dokina Olga, Pronina Natalia, Balashov Dmitry, Krasilnikova Aleksandra   +4 more
doaj   +1 more source

Sperm quality of artificially matured shortfinned eel is not affected by human chorionic gonadotropin dose and route of administration [PDF]

PeerJ, 2022
Background Acquisition of high quality sperm is key to the artificial propagation of eels in captivity, but fertility drugs are expensive and repeated handling is stressful to the fish.
Sean L. Divers, Sheri L. Johnson, P. Mark Lokman   +2 more
doaj   +2 more sources

Ameliorative Effect of Crocin on Sperm Parameters and In Vitro Fertilization in Mice under Oxidative Stress Induced by Paraquat [PDF]

International Journal of Fertility and Sterility, 2020
Background Paraquat (PQ) is an herbicide that is genotoxic and cytotoxic for male germ cells. In this study, we investigated the protective role of crocin (Cr) against the destructive effects of PQ on sperm quality and in vitro fertilization (IVF ...
Fahime Sadat Kamali, Rasoul Shahrooz, Gholam Reza Najafi, Mazdak Razi   +3 more
doaj   +1 more source