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Journal of Assisted Reproduction and Genetics

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01-08-2009 | ORIGINAL ARTICLE

Blastocyst transfer and gender: IVF versus ICSI

Authors: Martha Agnes Hentemann, Siri Briskemyr, Kjell Bertheussen

Published in: Journal of Assisted Reproduction and Genetics | Issue 8/2009

Abstract

Purpose

To investigate the difference in sex ratio in our centre after day 5 embryo transfer among neonates delivered after fresh in vitro fertilization (IVF), fresh intra cytoplasmatic sperminjection (ICSI) and frozen embryo replacement (FER) compared to expected sex ratio in normal population.

Methods

Retrospective data after IVF/ICSI/FER therapy from 1995 – 2007 and data from the literature on similar subjects.

Results

Among a total of 420 births after day 5 transfer, there were 225 male and 195 female babies. However, after ICSI alone 30 were female and 21 male. Adding all available data from the literature on gender ratio after long term culture, the ratio of male births to total births (0.545) was significantly (p = 0.004) different from the expected ratio (0.515)

Conclusions

It appears that significantly more males are born than expected after day 5 transfer in IVF. However, a subgroup analysis in our data comparing IVF, ICSI and FER revealed more females born after ICSI and FER, suggesting that further research is needed in this area.

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Title: Blastocyst transfer and gender: IVF versus ICSI
Authors: Martha Agnes Hentemann
Siri Briskemyr
Kjell Bertheussen
Publication date: 01-08-2009
Publisher: Springer US
Published in: Journal of Assisted Reproduction and Genetics / Issue 8/2009
Print ISSN: 1058-0468
Electronic ISSN: 1573-7330
DOI: https://doi.org/10.1007/s10815-009-9337-3

ACC 2024 Congress

Springer Medicine

Blastocyst transfer and gender: IVF versus ICSI

Abstract

Purpose

Methods

Results

Conclusions

ACC 2024 Congress

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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