Results 121 to 130 of about 83,282 (299)

Normozoospermic men in infertile couples: Potential benefit of early medical diagnostic procedures

open access: yesAndrology, EarlyView.
Abstract Introduction Infertility, defined as the inability to achieve pregnancy despite regular, unprotected sexual intercourse for 1 year, affects approximately 15% of couples. Male factors contribute to 50% of these cases. The necessity of andrological evaluations for male partners of infertile couples with normozoospermia is currently under ...
Simone Bier   +3 more
wiley   +1 more source

Criopreservação de sêmen canino com um diluidor à base de água de coco [PDF]

open access: gold, 2002
Rita de Cássia Soares Cardoso   +3 more
openalex   +1 more source

Experiência a campo com inseminação artificial de suínos. [PDF]

open access: yes, 2015
bitstream/item/59338/1/CUsersPiazzonDocuments16 ...
SILVEIRA, P. da R. S.   +1 more
core  

Fetal exposure to a mixture of endocrine‐disrupting chemicals and biomarkers of male fecundity: A population‐based cohort study

open access: yesAndrology, EarlyView.
Abstract Background Fetal exposure to endocrine‐disrupting chemicals (EDCs) has been associated with reduced male fecundity, but with few studies considering chemical mixtures. Objectives We assessed the association between fetal exposure to a mixture of EDCs and biomarkers of male fecundity in young adulthood.
Sidsel Dan Hull   +11 more
wiley   +1 more source

Avaliação de sêmen congelado de bovinos. Provas lenta e rápida de termo-resistência: efeitos sobre a fertilidade

open access: gold, 1992
Rubens Paes de Arruda   +3 more
openalex   +2 more sources

Parâmetros físicos, morfológicos e bioquímicos do sêmen de ovinos da raça Santa Inês criados no Estado do Ceará. [PDF]

open access: yes, 2019
Muitas são as fontes de variação da qualidade seminal de um e, um dos requisitos básicos no processo prévio de tecnologia do sêmen se baseia no uso adequado das técnicas de colheita, as quais podem exercer influência sobre a quantidade e qualidade do ...
ALMEIDA, H. C. G.   +4 more
core  

Semen quality in patients with testicular cancer is associated with age and with greatly elevated levels of beta human chorionic gonadotropin

open access: yesAndrology, EarlyView.
Abstract Background Poor semen quality is a well‐known feature in patients with testicular germ cell tumours (GCTs) at the time of diagnosis but the underlying biological reasons are incompletely understood. Objectives This study aimed to identify GCT‐specific clinical factors that are involved with poor semen quality in GCT patients.
Klaus‐Peter Dieckmann   +9 more
wiley   +1 more source

Gonadotrofina coriônica humana e hormônio liberador de gonadotrofina como indutores da reprodução do jundiá = Human chorionic gonadotropin and gonadotropin-releasing hormone as breeding inducers of jundiá

open access: yesActa Scientiarum: Animal Sciences, 2008
Este trabalho foi realizado com o objetivo de avaliar parâmetros reprodutivos de machos e fêmeas de jundiá adultos após a aplicação do HCG (gonadotrofina coriônica humana) e do GnRHa (hormônio liberador do hormônio gonadotrópico) e compará-los àqueles ...
Paulo César Falanghe Carneiro   +1 more
doaj  

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