Speaking in The Irish Times, the group explained: “It feels odd to believe so much in a cause but be so wary about the public reaction.

“Our goal was simple: to make Londoners aware of the fact abortion is illegal in most circumstances in Ireland and thousands of women a year are therefore exported to British clinics.”

The women, many Irish born or of Irish descent, admitted to being nervous about the reaction they would receive from others in the parade.

But the event was well received, with cheers of encouragement and support from a range of people.

Repeal the 8th campaigners bring defiant note to London's St Patrick's day parade