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The impact of letrozole administration on oocyte morphology in breast cancer patients undergoing fertility preservation
(2020-04-01)
Objective: Patients submitted to oncological fertility preservation with letrozole and gonadotropins seem to present a higher rate of immature oocytes and lower fertilization rates in comparison to infertile patients ...
Permethrin-induced morphological changes in oocytes of Rhipicephalus sanguineus (Acari: Ixodidae) semi-engorged females
(Pergamon-Elsevier B.V. Ltd, 2010-03-01)
The permethrin, active ingredient of the Advantage (R) Max3 - Bayer, has been widely used in the chemical control of ticks. These ectoparasites are one of the most important animal groups that cause serious damage to their ...
GnRH agonist versus GnRH antagonist in assisted reproduction cycles: oocyte morphology
(Biomed Central Ltd., 2014)
Correlação entre os dismorfismos oocitários e os resultados da fertilização in vitro
(2012-03-01)
In assisted reproduction, the selection of gametes to achieve better clinical outcomes is a crucial task of embryologists. The quality of the oocyte is a key factor in female fertility, reflecting the intrinsic potential ...
Decreased fertility in poor responder women is not related to oocyte morphological status
(Termedia Publishing House Ltd, 2011-04-01)
Introduction: In women showing impaired fertility, a decreased response to ovarian stimulation is a major problem, limiting the number of oocytes to be used for assisted reproduction techniques (ART). Despite the several ...
Morphological records of oocyte maturation in the parthenogenetic tick Amblyomma rotundatum Koch, 1844 (Acari: Ixodidae)
(Elsevier Gmbh, Urban & Fischer Verlag, 2012-01-01)
Oocyte maturation in the thelytokous parthenogenetic tick Amblyomma rotundatum was examined for the first time using light and scanning electron microscopy. The panoistic ovary lacks nurse and follicular cells and is a ...
Vitrification of Partially Matured Bovine Oocytes of the Chilean Red Friesian Breed
(SOC CHILENA ANATOMIA, 2016)
Coenzyme q10 improves the in vitro maturation of oocytes exposed to the intrafollicular environment of patients on fertility treatment
(Sociedade Brasileira de Reprodução Humana, 2020)
Objective: To evaluate the impact of patient follicular environment with oxidative stress on oocyte quality. Methods: Patients on fertility treatment with either advanced maternal age or endometriosis were asked to donate ...