Multiple embryo transfers increases the chances of having identical twins
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Yes, that is true. In natural conception, twins are the result of a single zygote splitting into two and in IVF, multiple embryo transfers are more likely to produce fraternal twins but identical twins are also likely in such a case. The reason is still being looked into by reasearchers.
Bed rest is necessary after embryo transfer.
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There is no need to put your life on pause after an embryo transfer. On the contrary, it has been noticed that women who were in bed rest for 24 hours after the transfer had a lower IVF success rate.
How long does it take to transfer the embryo?
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It doesn't take long to transfer the embryo. 10-20 minutes is what it takes to insert the embryo into the uterus.
Where is the embryo transferred to?
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In a natural conception, the embryo develops in the uterus. IVF only fertilizes the eggs outside its natural context and inserts the embryo into the uterus for it to get attached to the uterus wall and develop into a baby.
Embryos have a very short life span.
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Multiple eggs can be fertilized and developed into embryos and some of them can be kept frozen for future utilization. If the couple wants to have another baby in the future, the embryos are frozen.