In South Korea, fewer women are having children and those who do are in no rush, with the sky-high costs of housing and education making financial security a must.

The nation's social mores also dictate the need to be married.

Lim Eun-young, a 34-year-old public servant, says she is not ready to start a family due to the costs and as she only began dating her boyfriend several months ago. But, conscious that her biological clock is ticking, she had some of her eggs frozen in November.