Results 91 to 100 of about 83,614 (291)

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

Fertilidade, funcionalidade e genética de touros zebuínos. [PDF]

open access: yes, 2017
O livro foi estruturado em oito capítulos, criteriosamente selecionados e editados, que contemplam abordagens desde a fisiologia do aparelho reprodutivo do touro, a avaliação clínica e o exame de sêmen, passando por infecções, os agentes etiológicos e as

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

Qualidade seminal e morfometria testicular de coelhos (Oryctolagus cuniculus) suplementados com geleia real

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2012
Objetivou-se avaliar o efeito da geleia real na qualidade seminal e na morfometria testicular de coelhos. Quatorze coelhos adultos da raça Nova Zelândia foram distribuídos em três grupos: com administração diária de 1mL de água, via oral (SG ...
P.K.A. Campos   +5 more
doaj   +1 more source

Valores de zinco no plasma seminal e soro sanguineo de bovinos puberes da raça Nelore relacionados as características espermaticas de desenvolvimento reprodutivo. [PDF]

open access: yes, 2014
O estudo estabeleceu o nivel do Zinco e fosfatase acida e alcalina no plasma seminal em relacao ao desenvolvimento reprodutivo de 13 machos da raca Nelore, desde os dez meses de idade ate a puberdade, criados em pastagem Brachiaria brizantha, recebendo ...
DODE, M. A. N.   +2 more
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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

Pesquisas em reprodução fomentam mudanças tecnológicas na suinocultura. [PDF]

open access: yes, 2017
Projeto: 11.11.11 ...
SCHEID, I. R., SILVEIRA, P. R. S.
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The role and implication of platelet‐rich plasma in male factor infertility: A systematic review of human studies

open access: yesAndrology, EarlyView.
Abstract Background Cryopreservation causes sperm injury and the success of surgical sperm retrieval (SSR) for azoospermic men is just over half depending on the cause of azoospermia. The role of autologous platelet‐rich plasma (PRP) in male factor infertility (MFI) is unclear. Objective To conduct a systematic review of the role of PRP in MFI focusing
Karl H. Pang
wiley   +1 more source

Vasectomy for Housing With Recipient of Embryo Transfer in the Common Marmoset (Callithrix jacchus). [PDF]

open access: yesJ Med Primatol
ABSTRACT Two male marmosets underwent vasectomy without complications. Azoospermia was confirmed by computer‐assisted semen analysis (CASA) 5 weeks later. Both were co‐housed with embryo transfer recipient females 6 weeks after surgery. Vasectomy may be accompanied by post‐vasectomy semen analysis such as CASA, to ensure safe and reliable sterilization
Lee SM   +5 more
europepmc   +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
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