Atsushi Yanaihara
ORCID: 0000-0002-5031-2729
· 9 papers in corpus
other
2023
RESEARCH QUESTION: This study aimed to retrospectively evaluate the efficacy of a hyaluronan-enriched transfer medium (HETM) for transfer failures and transfer of frozen embryos that have been graded as C at the time of transfer according t…
review
2017
BACKGROUND: Ectopic pregnancy (EP) occurs in 1% of pregnancies and is reported to be more common in in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) pregnancies. An abdominal ectopic pregnancy (AEP) is a rare form of EP, a…
observational
2008
PURPOSE: Frozen embryo transfer has been established as an indispensable ART procedure for both the effective use of surplus embryos and the prevention of ovarian hyperstimulation syndrome. The frequency of frozen embryo transfer is increas…
other
2008
Aim: The mild ovarian stimulation protocol for in vitro fertilization (IVF) is carried out to minimize adverse side-effects as well as cost. While performing mild ovarian stimulation with a gonadotropin-releasing hormone (GnRH) antagonist,…
other
2008
PURPOSE: While performing the mild ovarian stimulation protocol with a GnRH antagonist, the pregnancy rate was compared between the groups, which were divided by the degree that the luteinizing hormone (LH) level decreased. MATERIALS AND M…
other
2007
PURPOSE: The purpose of this study was to predict developmental competence of human oocytes during ICSI via analysis of connexin 43 (Cx43) in cumulus cells surrounding mature oocytes. MATERIALS AND METHODS: Human cumulus cells were manuall…
observational
2006
Background: Steroid levels have been used as the predictive parameters for oocyte maturation and embryo development. In the present study, estradiol and progesterone concentrations in the follicular fluid and serum were evaluated in conven…
observational
2005
OBJECTIVE: To investigate the localization and expression of steroid sulfatase (STS) in cumulus cells obtained from subjects with and without endometriosis. DESIGN: Case-control study. SETTING: In vitro fertilization program at the Showa …
observational
2003
Background: Several parameters of early embryo development are known as predictors of implantation success. Recently, zygote or embryo morphological assessments are thought to be a major method of selection in embryo transfer. We expected …