Embryo transfer strategies in IVF
Embryo transfer strategies in IVF
When considering the number of fresh or frozen embryos to transfer in IVF treatment:
- for women aged under 37 years:
- in the first full IVF cycle use single embryo transfer
- in the second full IVF cycle use single embryo transfer if 1 or more top-quality embryos are available. Consider using 2 embryos if no top-quality embryos are available
- in the third full IVF cycle transfer no more than 2 embryos
- for women aged 37-39 years:
- in the first and second full IVF cycles use single embryo transfer if there are 1 or more top-quality embryos. Consider double embryo transfer if there are no top-quality embryos
- in the third full IVF cycle transfer no more than 2 embryos
- for women aged 40-42 years consider double embryo transfer
Where a top-quality blastocyst is available, use single embryo transfer.
Reference:
- NICE. Fertility problems: assessment and treatment. Clinical guideline CG156. Published February 2013, last updated September 2017
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