Definition of thesis. 1  a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree.  an unproved statement put forward as a premise in an argument.
Pregnancy rates are the number of pregnancies per 1,000 females age 15 to 19 years. 1. NYS Teen Pregnancy Rates by ZIP codes (2006-2008) - Updated 9/24/10 Attachment 1a. 13755 52.63 12540 21.32 14222 56.80 14052 11.36 12957 40.65 12058 43.21 13637 69.77.
From 2009 to 2010, the teen pregnancy rate dropped 9%, the biggest one year drop since the 1940s. Teenage birth rates, as opposed to pregnancies, peaked in 1991, when there were 61.8 births per 1,000 teens, and the rate dropped in 17 of the 19 years that followed.