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.
Below is a timeline of mass shootings in the US since the Columbine High massacre: December 11, 2012. On Tuesday, 22-year-old Jacob Tyler Roberts killed 2 people and himself with a stolen rifle in Clackamas Town Center, Oregon.