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A familial partial AZFb-c microdeletion associated with diferente fértile pheno...
Pereira, I.; Aguiar, A.; Correia, S.; Pinto, M.G.; Calhaz Jorge, C.; Gonçalves, J.After the Klinefelter syndrome, Y chromosome microdeletions are the second most frequent genetic cause of spermatogenic failure resulting in male infertility. Y chromosome microdeletions, encompassing one or more of the three AZF regions, are associated with diverse testicular histology, ranging from Sertoli-cell-only syndrome (AZFa del), maturation arrest (AZFb del) to hypospermatogenesis (AZFc del). The molec...
The effect of the woman's age, the rate of cleavage and embryo quality on obtai...
Cordeiro, I; Unidade Pluridisciplinar de Reprodução Humana, Hospital de Santa Maria, Lisboa.; Calhaz-Jorge, C; Barata, M; Leal, F; Proença, HMultiple factors influence the probability of obtaining a pregnancy through in vitro fertilization (IVF) and embryo transfer (ET). This retrospective study was designed to assess their importance in order to improve prognostic ability and treatment success. 341 consecutive embryo transfer cycles using the same ovarian stimulation protocol were considered and divided in two main groups: 92 cycles in which a clin...
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