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Article

Secondary sex ratio in assisted reproduction: an analysis of 1 376 454 treatment cycles performed in the UK

1 Jan 2019

Abstract excerpt

Abstract STUDY QUESTION Does ART impact the secondary sex ratio (SSR) when compared to natural conception? SUMMARY ANSWER IVF and ICSI as well as the stage of embryo transfer does impact the overall SSR. WHAT IS KNOWN ALREADY The World Health Organization quotes SSR for natural conception to range between 103 and 110 males per 100 female births. STUDY DESIGN, SIZE, DURATION A total of 1 376 454 ART cycles were...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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PMID: 31598568
DOI: 10.1093/hropen/hoz020

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