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.
According to sources, 18 of these casualties were children. This is the second mass shooting in the US this week, after a gunman opened fire in an Oregon shopping mall on Tuesday, killing 2. ABC News reports that there have been 31 school shootings in the US since Columbine in 1999, when 13 people were killed. The rate of people killed by guns in the US is 19.5 times higher than similar high-income countries in the world. In the last 30 years since 1982, America has mourned at least 61 mass murders. 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. His motive is unknown.