Popular strategy for raising pregnancy rates in IVF fails to deliver improvement in large trial

(European Society of Human Reproduction and Embryology) The increasingly popular trend for fertility clinics to freeze all IVF embryos for later transfer has been shown in a large multicentre randomised trial to offer no improvement in delivery rates over traditional 'fresh' embryo transfers. 'Our findings give no support to a general freeze-all strategy in normally menstruating women,' said investigator Dr Sacha Stormlund from Copenhagen University Hospital in Denmark.

from EurekAlert! - Social and Behavioral Science http://bit.ly/2Lf3OfV