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Blood Disorders


Did You Know? is a weekly feature from the Office for State, Tribal, Local and Territorial Support to inform your prevention activities. We invite you to read, share, and take action!

View the Current Did You Know?

June 23, 2017

December 9, 2016

  • As many as 1 in 100 women in the United States may have a bleeding disorder, but many are unaware of their condition.
  • Signs of a bleeding disorder can include heavy menstrual periods or heavy or prolonged bleeding after childbirth, surgery, or injury.
  • Public health and healthcare professionals can use and share screening tools [PDF-126KB] and other resources to help women determine whether they are at risk for bleeding disorders.

October 7, 2016

September 2, 2016

April 22, 2016

December 11, 2015

  • Among the 10 million US women who report heavy menstrual bleeding, about 1 in 10 have a bleeding disorder, according to a CDC study.
  • Bleeding disorders are conditions that keep a person’s blood from clotting properly and, if untreated, pose serious risks for women, especially after childbirth, surgery, or injury.
  • Many women with bleeding disorders go undiagnosed; health professionals can use a screening tool [PDF-127KB] to identify women who need testing or treatment.

October 16, 2015

  • Blood clots affect as many as 900,000 Americans each year, and about 50% of them are related to a recent hospital stay or surgery.
  • Most healthcare-associated blood clots happen after patients leave the hospital—learn the signs and symptoms and when to seek medical care.
  • You can test your knowledge about healthcare-associated blood clots and help prevent them by sharing new CDC infographics, fact sheets, and e-cards.

September 11, 2015

May 22, 2015

  • Thalassemia major is a rare but serious disease that causes people to produce fewer red blood cells than usual (anemia).
  • People with severe thalassemia require ongoing treatment to reduce complications such as enlarged spleen, bone disease, infections, and too much iron in the body.
  • By seeking care at a thalassemia treatment center and carefully following a treatment plan, people with thalassemia can live a healthy life.

April 24, 2015

March 20, 2015

September 19, 2014

June 13, 2014

  • People of all ages with hemophilia are at risk for developing an inhibitor (or antibody) to the factor product used to treat or prevent bleeding episodes.
  • Developing an inhibitor is a serious complication of hemophilia, and those affected are twice as likely to be hospitalized for a bleeding-related problem.
  • People with hemophilia should be tested regularly for inhibitors, and if possible, their care should be provided at a hemophilia treatment center.

April 4, 2014

  • Babies are born with very little vitamin K in their bodies, which can cause serious bleeding problemsthat can lead to brain damage and even death.
  • Life-threatening bleeds from VKDB frequently occur without warning, but a single vitamin K shot [PDF – 247KB] given at birth will protect a baby from developing dangerous bleeding.
  • You can help expectant parents learn how to protect their babies from VKDB by listening to this CDC podcast.

March 14, 2014

February 28, 2014

November 15, 2013

October 12, 2012

Did You Know?  information and web links are current as of their publication date. They may become outdated over time.

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