Fluid Fertilization
Mostrando 1-12 de 21 artigos, teses e dissertações.
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1. Efeitos do Hydrosalpinx no Falho de Implantação Endometrial: Avaliar a salpingectomia nas mulheres em curso de Fertilização in vitro
Abstract Hydrosalpinx is a disease characterized by the obstruction of the salpinx, with progressive accumulation in the shape of a fluid-filled sac at the distal part of the tuba uterina, and closed to the ovary. Women with hydrosalpinges have lower implantation and pregnancy rates due to a combination of mechanical and chemical factors thought to disrupt t
Rev. Bras. Ginecol. Obstet.. Publicado em: 2021-04
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2. Reproductive physiology of the heat-stressed dairy cow: implications for fertility and assisted reproduction
Abstract Heat stress causes a large decline in pregnancy success per insemination during warm times of the year. Improvements in fertility are possible by exploiting knowledge about how heat stress affects the reproductive process. The oocyte can be damaged by heat stress at the earliest stages of folliculogenesis and remains sensitive to heat stress in the
Anim. Reprod.. Publicado em: 28/11/2019
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3. Carbon fractions and stock in response to solid and fluid organomineral fertilizers in highly fertile soils
Resumo: O objetivo deste trabalho foi avaliar o efeito da aplicação de fertilizantes organominerais e minerais em solos com fertilidade construída sobre o índice de manejo de carbono (IMC) e as frações e o estoque de carbono. O experimento foi realizado em um Cambissolo e em um Nitossolo sob sistema plantio direto, por três anos agrícolas. Os tratame
Pesq. agropec. bras.. Publicado em: 26/08/2019
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4. Estrutura e funcionamento dos espermatóforos de Doryteuthis plei (Mollusca: Cephalopoda) e reavaliação da reação espermatofórica dos cefalópodes / Spermatophore structure and functioning in Doryteuthis plei (Mollusca: Cephalopoda), and a reappraisal of the cephalopod spermatophoric reaction
Male coleoid cephalopods produce elaborate spermatophores, which are transferred to the female during mating. These spermatophores are capable of functioning autonomously and extracorporeally, undergoing complicated changes during the so-called spermatophoric reaction, i.e., a complex process of evagination of the spermatophoric tunics and membranes that, ul
Publicado em: 2010
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5. Efeitos da bromocriptina na prevenção da síndrome do hiperestímulo ovariano precoce em mulheres de alto risco submetidas a fertilização in vitro / Effects of bromocriptine in the prevention of early ovarian hyperstimulation syndrome in high risk women submitted to in vitro fertilization
Objective: To evaluate the effect of bromocriptine for the prevention of either early moderate or severe ovarian hyperstimulation syndrome (OHSS) in high risk women submitted to in vitro fertilization. Patients and Methods: A double-blind, prospective, randomized study was carried out between February 2006 and November 2007 at the Human Reproduction Center,
Publicado em: 2009
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6. Níveis de antioxidantes enzimáticos e produtos da peroxidação lipídica em líquido folicular de mulheres submetidas à estimulação ovariana controlada / Antioxidants enzymes and lipid peroxidation levels in follicular fluid of women submitted to controlled ovarian stimulation
Verificar a relacao entre as concentracoes de substancias reativas ao acido tiobarbiturico, a atividade das enzimas glutationa peroxidase e catalase com a ocorrencia de gravidez, com o estimulo hormonal administrado e com a presenca ou nao de um fator de infertilidade feminino. Metodo: Foi realizado um estudo prospectivo caso controle com o liquido folicular
Publicado em: 2009
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7. Effect of conditioned medium of mesenchymal stem cells on the in vitro maturation and subsequent development of mouse oocyte
Mesenchymal stem cells (MSCs) secrete a variety of cytokines and growth factors in addition to self-renewal and multiple forms of differentiation. Some of these secreted bioactive factors could improve meiotic maturation in vitro and subsequent embryo developmental potential. The aim of the present study was to determine whether in vitro maturation (IVM) of
Brazilian Journal of Medical and Biological Research. Publicado em: 31/10/2008
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8. The rattlesnake Crotalus durissus terrificus (Viperidae: Crotalinae) as an experimental model to study the involvement of peptidases in the survival of spermatozoids / A cascavel Crotalus durissus terrificus (Viperidae: Crotalinae) como modelo experimental para o estudo do envolvimento de peptidases na sobrevida de espermatozóides
In the rattlesnake Crotalus durissus terrificus occurs the long-term sperm storage (LTSS), in the female tract, during the interval between mating (autumn) and ovulation (spring). Peptides and peptidases are among the main components that influence the spermatic activity in mammals. The present study aimed to characterize the presence of peptidases in C. d.
Publicado em: 2007
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9. Prolactin and cortisol levels in women with endometriosis
Endometriosis is a progressive estrogen-dependent disease affecting women during their reproductive years. The objective of the present study was to investigate whether endometriosis is associated with stress parameters. We determined cortisol and prolactin levels in serum, peritoneal and follicular fluid from infertile women with endometriosis and fertile w
Brazilian Journal of Medical and Biological Research. Publicado em: 2006-08
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10. AdubaÃÃo lÃquida na implantaÃÃo da lavoura cafeeira (Coffea arabica L.) / Liquid fertilization in the establishment of coffee crop (Coffea arabica L.)
A adubaÃÃo do cafeeiro à uma das prÃticas culturais que mais oneram o custo de produÃÃo e à tradicionalmente realizada com a utilizaÃÃo de adubos de formulaÃÃo sÃlida. Todavia, alguns cafeicultores do Cerrado mineiro tÃm usado adubos lÃquidos com aparente sucesso e reduÃÃo do custo de produÃÃo. A fim de avaliar esta nova alternativa, instal
Publicado em: 2006
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11. Estradiol and testosterone concentrations in follicular fluid as criteria to discriminate between mature and immature oocytes
The objective of the present study was to examine the association between follicular fluid (FF) steroid concentration and oocyte maturity and fertilization rates. Seventeen infertile patients were submitted to ovulation induction with urinary human follicle-stimulating hormone, human menopausal gonadotropin and human chorionic gonadotropin (hCG). A total of
Brazilian Journal of Medical and Biological Research. Publicado em: 2004-11
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12. Sperm attraction to a follicular factor(s) correlates with human egg fertilizability.
Spermatozoa normally encounter the egg at the fertilization site (in the Fallopian tube) within 24 hr after ovulation. A considerable fraction of the spermatozoa ejaculated into the female reproductive tract of mammals remains motionless in storage sites until ovulation, when the spermatozoa resume maximal motility and reach the fertilization site within min