The effect on human sex ratio at birth by assisted reproductive technology (ART) procedures – an assessment of babies born following single embryo transfers, Australia and New Zealand, 2002–2006

Abstract excerpt

OBJECTIVE: To assess the effect on the human sex ratio at birth by assisted reproductive technology (ART) procedures. DESIGN: Retrospective population-based study. SETTING: Fertility clinics in Australia and New Zealand. POPULATION: The study included 13,368 babies by 13,165 women who had a single embryo transfer (SET) between 2002 and 2006. METHODS: Logistic regression was used to model the effect on the sex...

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