Egg-freezing: What’s the success rate? February 17, 2020 The fertility expert Lord Winston warns the success rate could be as low as 1% but others say it is considerably higher. Source: Egg-freezing: What’s the success rate? Updated: February 17, 2020 at 12:10 am ◀ Crossing the border to go to school in the US Brit Awards: 10 memorable moments ahead of 40th ceremony ▶