Fertility doctors believe they have cracked the secret of how to give women in their early 40s a similar chance of having a child through IVF as those a decade younger.
It involves testing embryos thoroughly for major genetic abnormalities, the main reason why middle-aged women so often struggle to conceive. Genetically normal embryos are then frozen for a month or two, to allow women’s hormones to settle after IVF drug treatment, before being thawed and inserted in the womb.
Read more at: http://www.telegraph.co.uk/science/9624688/Doctors-may-have-unlocked-secret-of-IVF-success-for-older-mothers.html