In Western societies, average age of first period has dropped from 17 to 13 years over the past century.
Girls who have their first period at a young age are more likely to experience poorer health as a adult, including an elevated risk of diabetes during pregnancy.
Many low-income girls in the U.S. don’t feel prepared for puberty.
Image of girls via www.shutterstock.com.
In developing countries, many girls feel unprepared when they go through puberty. And research indicates that low-income girls in the US may feel the same way.
Many myths surround tampon use, which may be why more women still use pads.
Nothing could be more personal, more intimate, than how women manage their periods. Doing so effectively can only be done with quality information.
That’s when I had PMT remember?
Women often say their periods begin at the same time as their friends'.
Many girls stay away from school when they’re menstruating.
When girls know that they have access to hygienic, safe sanitary products they are less likely to skip school while menstruating.
There are very few spaces in which girls can discuss menstruation or ask questions about it.
Menstruation is a fact of life – but in many parts of Africa, it's something that young women dread. A South African research group is working to change this.
Astronaut Tracy Caldwell Dyson at the International Space Station.
We are only starting to understand the impact of space travel on women's health. But a new study has just made it easier for astronauts to decide whether they want to stop their periods.
Instead of menstrual leave for female employees, a better policy would be to increase sick leave for everyone, no matter their ailment.
A British company has announced it is bringing in menstrual leave, but the notion presents a number of risks for women and equality.
Menstruation can cause unique health challenges, but does that mean we need special sick days?
A British company has just introduced menstrual leave for female employees. But such a policy risks creating a blanket expectation that all women are crippled by their periods.
Girls star Lena Dunham suffers from endometriosis, a condition that affects one out of every ten women of menstruating age.
We must try harder to explore what causes endometriosis and not reinforce theories that imply fault on a woman's part, or are shaped by old ideas about women's roles and bodies.
Girls are socialised early and told normal functions of the female body must be spoken of, if at all, in strictest privacy, indirectly, and not to men.
There are endless euphemisms for women's conditions and body parts. If you can't name a body part, how can you seek medical help if something appears to be wrong with it?
It’s important a woman has a good relationship with her general practitioner.
Women visit the GP more than men, particularly between the ages of 15 and 44. This difference is partly due to the management of gynaecological and reproductive issues.
We are still profoundly uncomfortable about the fact that females bleed once a month for half of their lives.
Ask any young woman whether she feels embarrassed by her periods and she’ll likely deny it. Her grandmother might have hidden all evidence of "the curse" but not today’s liberated women. Right?
Newly built toilets at Harper transit site in Liberia.
While everyone needs access to proper sanitation to stay healthy, for girls and women it is also an issue of safety and equal participation in society.
Blood is just one of the body fluids we need to survive.
Blood bag via www.shutterstock.com.
By learning a bit more about these body fluids, we can develop a deeper appreciation for the beauty and complexity of our own biology.
The government's hands are tied on taxing tampons, but there are alternatives.
Many schools in Kenya force girls to wear light-coloured uniforms. These show menstrual stains more easily, which shames the girls into staying away from school.
The inclusion of menstrual hygiene in the Sustainable Development Goals marks an important step forward, but to what extent will it address the issue of schoolgirl absenteeism?
Break the taboo.
Donald Trump got menstruation onto the front page of the New York Times. With the taboo broken, it's a good time to talk about how all girls everywhere can manage their periods safely and privately.
New research shows women's faces become redder at their more fertile times but men's response remains a mystery.
Menstrual art with raspberry syrup.
The only approach that you don’t find used in menstrual power protests is the use of menstrual blood as a love charm. Perhaps that's because it taps into the deepest fears of people, especially of heterosexual men, of being entrapped by the power of women’s fertility.