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.
Columbine High School reopened in the fall of 1999, but the massacre left a scar on the Littleton community. Mark Manes, the man who sold a gun to Harris and bought him 100 rounds of ammunition the day before the murders, was sentenced to six years in prison.