An ectopic pregnancy can be life threatening to a woman when the embryo implants onto locations outside the uterine cavity. That's because the tissue in these areas can't stretch like the uterus and if the embryo implants into the vascular supply, blood vessels can start bleeding, Kickham said.
Publication was timed to coincide with the tenth anniversary of the Columbine High School massacre, which occurred on April 20. The book spent eight weeks on The New York Times bestseller list in the spring of 2009, peaking at #3.
His film Bowling for Columbine (2002), which examines the causes of the Columbine High School massacre, won the Academy Award for Documentary Feature. Both Bowling for Columbine and Sicko (2007), which examines health care in the United States, are among the top ten highest-grossing documentaries.