But why the pineapple? “The pineapple has been a universal symbol of friendship, warmth and welcome for many centuries all over the world, but recently, it has taken on a new meaning. It has become the globally recognised symbol of good luck in the TTC (trying to conceive) community,” writes IVF Babble.

Unfortunately, people facing fertility struggles can sometimes be faced with the unwanted stigma attached to it, something model Chrissy Teigen knows of only too well. Teigen has long been open about her and her husband, John Legend’s struggle to conceive, and resisted anyone attempting to shame them for not being able to conceive naturally.

And plenty of other women, who have faced the same troubles or know people facing fertility issues, have also taken to Instagram to share photos wearing the badges:

What those pineapple pins on Instagram really mean