Day 5 or Day 6 blastocysts: does it make a difference to IVF success?
Most embryos that develop into blastocysts do so 5 days after fertilisation. Traditionally, this is the stage that has been considered the most likely to result in a successful pregnancy. However, some embryos take a day longer to reach the same stage, but may still be suitable for transfer. A new study* aimed to investigate […]
Day 5 or Day 6 blastocysts: does it make a difference to IVF success? Read More »









