نتایج جستجو برای: assisted reproduction technique

تعداد نتایج: 790740  

Journal: :Sexualidad, Salud y Sociedad (Rio de Janeiro) 2013

Gourabi H Karimian L

The success of assisted reproduction, although gradually increasing over the years, is still less than satisfactory. Many couples have benefited from this treatment; many have also been left frustrated following multiple failed attempts (Bulent Urman et al. 2005). Repeated implantation failure (RIF), defined as three or more failed IVF attempts or failure of IVF after cumula- Abstracts of the 5...

Journal: :Human reproduction 2003
Joana Peñarrubia Francisco Fábregues Montserrat Creus Dolors Manau Roser Casamitjana Marta Guimerá Francisco Carmona Juan A Vanrell Juan Balasch

BACKGROUND There has been much debate about the effect of 'residual' LH levels in normogonadotrophic women undergoing assisted reproduction with GnRH agonist down-regulation and recombinant FSH ovarian stimulation. The aim of this prospective study, where receiver-operating characteristic (ROC) analysis was used, was to assess further the usefulness of serum LH levels as predictors of ovarian r...

2015
Fahiel Casillas Socorro Retana-Márquez Yvonne Ducolomb Miguel Betancourt

Since that historically the first human birth was registered through in vitro fertilization in 1978, the improvement and creation of new assisted reproduction techniques such as intracytoplasmic sperm injection and physiological intracytoplasmic sperm injection have become of great importance nowadays. Louise Brown was the first baby conceived through in vitro fertilization in England. Since th...

Journal: :Fertility and sterility 2000
J Tesarik N Cruz-Navarro E Moreno M T Cañete C Mendoza

OBJECTIVE To examine whether the results of assisted reproduction with the use of elongated spermatids from a man with incomplete arrest of spermiogenesis and a high frequency of apoptosis among postmeiotic germ cells can be improved by germ cell in vitro culture. DESIGN Case report. SETTING Private assisted reproduction centers and a university department. PATIENT(S) Man with incomplete ...

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