Bertarelli Foundation

A group that serves researchers, patients and practitioners in the field of infertility treatment by supporting numerous research projects and by contributing to the creation and distribution of knowledge in the field of reproductive health.
Bertarelli Foundation website


British Fertility Society. A national multidisciplinary organisation representing professionals practising in the field of reproductive medicine.
British Fertility Society website


British Infertility Counselling Association. A professional organisation for fertility counsellors and counselling in the UK. It seeks to promote the highest standards of counselling for those considering or undergoing fertility investigations and treatment.
British Infertility Counselling Association website


An embryo that has developed for five to six days after fertilisation.

Blastocyst transfer

Transfer of embryos to the womb following their culture in vitro for 5 - 6 days after fertilisation (at approximately 64 cell stage).


A cell taken from a blastocyst.