Once you've started menstruating, the first question you'll hear when you visit your doctor, for any reason, will be, "When was your last period?" Keeping a menstrual cycle calendar helps both you and your health-care provider see patterns of symptoms that may develop during your menstrual cycles which may indicate a possible menstrual cycle disorder. Even if you have predictable periods that always start and end on time, and no symptoms to chart, it's important to chart the days you menstruate and the amount of flow you experience.

Whether you are still waiting for your first period, or if you have already menstruated, you might be wondering how often to expect your period and how long you should expect to bleeding during menstruation. Find out when adolescent girls should expect to menstruate.

Phases of the Menstrual Cycle
How Often Should I Change Tampons or Pads?
What Does Menstrual Blood Look Like?

Are you tired most of the time, even after sleeping all night? Has your doctor said you have anemia? Anemia is common in menstruating girls and women. Learn the facts about anemia, and learn about your treatment options.

Reducing waste and learning new ways to save money are high on most of our minds these days. Every year women spend billions of dollars on sanitary protection products such as pads and tampons -- pads and tampons that eventually end up in our landfills and sewer systems. What does this have to do with making our periods green? Everything! We can save thousands of dollars and help reduce waste by making a change in what we choose for sanitary protection during menstruation.