What is the process for IVF from frozen embryos?
Once the fertilisation has been successful, embryos are frozen in liquid nitrogen to store them. They can be stored for up to five years before use, with the storage extended under some circumstances. The embryos are thawed before being implanted in the womb. However, the pregnancy rate is lower than with fresh embryos. Could she have frozen unfertilised eggs instead? Egg storing technology was not available in 2001, but it is now. However, according to the Human Embryology and Fertility Authority, egg freezing is still a very new technique with only a handful of babies born by it so far, compared to thousands using embryos. It has a much lower success rate than using embryos, and is mostly provided for single women facing cancer treatment that will leave them infertile. Who has “control” of the fertilised, frozen embryos? Under the Human Fertilisation and Embryology Act, which governs IVF treatment, if a couple use their sperm and eggs to create embryos, both partners must give their
