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Is it ethical to transfer embryos before the 5th day?

03:07 12th January 2014 | Embryo Culture

Fertilisation Fallopian Tubes Natural Conception Fertilised Eggs Implantation IVF Treatment Cycle Embryo Transfer Day 5 5th Day Blatocyst Culture Conditions Quality Management System IVF Clinics Bridge Clinic Pregnancy

Fertilisation of the egg by the sperm occurs within the Fallopian tubes during a natural conception. The fertilised egg travels along the Fallopian tube to get to the uterus for implantation on the 5th day after fertilisation.

It has increasingly been shown that implantation rates and hence pregnancy rates are much higher when embryos are cultured to the fifth day before transfer in an IVF treatment cycle.

The risk, of course is that the number of couples getting to embryo transfer may be reduced especially if the culture conditions are not as good as they should be and there are no quality management systems in place to assure the culture conditions.

Some IVF clinics choose to transfer the embryos back on the second or third day especially if they are not sure of their culture conditions. Our position at The Bridge Clinic is that it is the responsibility of the IVF clinic to ensure that its systems are secure enough to provide all clients with a good chance of pregnancy and we should always aim for a day 5 transfer rather than rushing the embryos back on day 2 or day 3.

Our intention at The Bridge Clinic is to always culture our clients’ embryos to day 5 before transfer.

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