Historically, egg freezing has been expensive, invasive and often unsuccessful. While new technology has improved the thawing process, leading to dramatically higher pregnancy rates from frozen eggs, there are still questions about whether the industry exploits or empowers women.  Today, social affairs writer for The Age and Sydney Morning Herald, Wendy Tuohy on the egg freezing industry - and whether the fertility treatment is worth the cost.Subscribe to The Age & SMH: https://subscribe.smh.com.au/See omnystudio.com/listener for privacy information.