LONDON — People have been posting selfies with tampons on Twitter all week, using the #JustATampon hashtag to raise awareness of menstruation and break the taboo about periods worldwide.

The campaign, which was launched by global children's charity Plan UK and news site V Point, has also been calling for people to text TAMPON to 7007 to donate £3 to Plan UK.

The money raised is going towards menstrual health work in the developing world, with a single donation able to provide a girl in Uganda sanitary towels for a year, according to Plan UK.

"Donations will help tackle discrimination faced by girls globally, not just around menstrual hygiene but other issues they face including child marriage and female genital mutilation," they say.

#JustATampon Text TAMPON to donate £3 to @PlanUK which will pay for a woman's sanitation in Uganda for a year. pic.twitter.com/3CNcAAly0o — JEN in a JAR (@Jeninajar) June 8, 2015

"Around the world, millions of girls face discrimination just for being girls. One way this manifests itself is through poor access to quality menstrual health and hygiene. It not only poses health issues, but means girls can miss school when they have their period and face bullying. Only 12% of girls and women have access to sanitary products around the world. And in Africa, one in ten girls miss school when they have their period."

Comedians, newscasters, reporters and presenters, including Jon Snow, Jenny Eclair and Carol Smillie, have joined members of the public in the campaign.

A worthwhile cause helping women who haven't got what we in the UK take for granted #JustATampon pic.twitter.com/l6DbGfFiyR — Robyn Fraser (@RobynF29) June 8, 2015

#Justatampon support the effort to stop taxing a female necessity :Text Tampon to 70007 to donate £3 to @planUK pic.twitter.com/Q52zgd2BKe — Jon Snow (@jonsnowC4) June 8, 2015

I don't need tampons any more but others do. Support #justatampon -break taboos - and...more info coming up pic.twitter.com/WDW8aS4lkg — Jenny Eclair (@jennyeclair) June 8, 2015

Guys, it's just a piece of cotton on a string...#JustATampon pic.twitter.com/GXg8B7kIkh — Cathy Newman (@cathynewman) June 8, 2015

#JustATampon selfie. Even the Boris bikes are happy to transport tampons :) pic.twitter.com/UviNUYOuuU — Josephine (@JosephinePhipps) June 8, 2015

Here's my #JustATampon selfie. Text TAMPON to 70007 to donate £3 to help women.Let's fight the stigma around periods. pic.twitter.com/HkYl9N8G72 — Kate O'Sullivan (@KateEOSullivan) June 8, 2015

Lots of people couldn't resist putting them in their noses.

our efforts to support #JustATampon and @PlanUK - notice the silly one with a nose insertion! pic.twitter.com/LARcmz80YW — Daniel James (@danieljd1982) June 9, 2015

Others went for the beard.

One woman incorporated one into a weather report.

Watch me doing a different weather forecast than usual today... https://t.co/sRIQUR5b6i #JustATampon — Nazaneen Ghaffar (@SkyNewsNaz) June 8, 2015

Of course, some angry men got involved, unwittingly helping to boost the cause.

You can donate money to Plan UK here.