Comparison of pregnancy outcomes following transferring one or two embryos in a selected group of infertility patients.

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/158006

Funding Status
Closed

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Funded Activity Summary

Assisted reproductive technology (ART) deals with issues of fundamental importance to individuals involved, and society as a whole. Despite major advances, ART continues to be very costly in many regards. A major reason for this is the relatively low rate of pregnancy, which averages 25% per procedure. The common response to the problem of low pregnancy rates is to return several embryos to uterus. A dilemma associated with this strategy is the high risk of multiple pregnancy, which is associated with adverse consequences for mother and fetus(es). Compared to singleton births; fetal, neonatal, and perinatal mortality rates are 3-6 times higher in twins, and 5-15 times higher in multiple births of a higher order. Cerebral palsy rates among survivors are six times higher in twins and twenty times higher in triplets. The increase in the incidence of adverse outcomes related to multiple pregnancy has been well documented in ART. We propose a randomised controlled study to assess single embryo transfer (SET) compared to double embryo transfer (DET). Infertility women with a high risk of multiple pregnancy will be randomly allocated to receive one or two embryos, which is the usual treatment at present. We shall then examine the rates of single and multiple pregnancies, and the success of those pregnancies in this group of patients. Potential benefits to the community from this project are very substantial, as it has the capacity to substantially reduce the number of multiple births. Patients will also benefit by having more accurate information with which to make an informed choice during treatment.

Funded Activity Details

Start Date: 01-01-2001

End Date: 01-01-2002

Funding Scheme: NHMRC Project Grants

Funding Amount: $120,302.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Reproduction

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

Assisted Reproductive Medicine | Infertility | Mother and child health | Multiple pregnancy/birth | Pregnancy complications | perinatal morbidity/mortality

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