A chance meeting on the Piccadilly line in the 1990s led Gini to offer to be an egg donor for Anita.
Anita's son, Christopher, was born as a result, and knew 'Auntie Gini' throughout his childhood, before his parents explained his true origins.
'It's so interesting to think that moment is what sparked my life,' said Christopher, who now lives in the USA and is soon to be a dad himself.
Both women are of South Asian heritage, a community where infertility can be taboo. They spoke about the importance of sharing their story.
'A lot of people, especially South Asian women, reach out to me saying that I've actually given them permission to talk about their own journeys,' said Gini. 'Nobody discusses infertility, nobody discusses egg donation because it isn't the bloodline.'
Read the full story on the BBC.