منابع مشابه
Female sex selection using clomiphene citrate and albumin separation of human sperm.
BACKGROUND This study was undertaken to assess whether the use of clomiphene citrate in conjunction with albumin-separated sperm would alter the sex ratio (expressed as the proportion of males) towards females and, if so, whether this skewing was due solely to the induction of ovulation. METHODS The sex ratios of 184 single and 42 twin births at five assisted reproduction biology clinics were...
متن کاملExperiences in Hong Kong with the theory and practice of the albumin column method of sperm separation for sex selection.
Controversy still surrounds the human serum albumin (HSA) method for separation of X- and Y-bearing human spermatozoa. There is doubt about whether the procedure does enrich sperm samples for the chosen sex chromosome. We have applied the HSA separation method in a clinic in Hong Kong, using the method as described by Ericsson et al. [Nature, 246, 421-424 (1973)] taking care to keep the sperm r...
متن کاملattitudes about sex selection and sex preference in iranian couples referred for sex selection technology
background: gender preference is prevalent in some communities and using medical techniques to choose the baby’s sex may cause the gender discrimination and gender imbalance in communities. therefore, evaluating the gender preferences and attitudes towards using sex selection technologies seems to be necessary. methods: this cross-sectional study was conducted in avicenna fertility center. part...
متن کاملEnvironmental Exposure of Sperm Sex-Chromosomes: A Gender Selection Technique
Preconceptual sex selection is still a highly debatable process whereby X- and Y-chromosome-bearing spermatozoa are isolated prior to fertilization of the oocyte. Although various separation techniques are available, none can guarantee 100% accuracy. The aim of this study was to separate X- and Y-chromosome-bearing spermatozoa using methods based on the viability difference between the X- and Y...
متن کاملO-14: New Era in Sperm Selection for ICSIProcedure
Background: Intra-cytoplasmic sperm insemination, the ICSI, is considered as the one most routine treatment of male infertility. Although the genetic inheritance of an individual is based on the genetic contribution from both the oocyte and sperm, considering the fact that ICSI by passes all the barriers to natural fertilization much emphasis was given to oocyte quality to improve the ICSI outc...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 1998
ISSN: 0268-1161,1460-2350
DOI: 10.1093/humrep/13.9.2659a