i am doing a health project on contraceptives. where can i find the history of Lea's shield and Essure. They are both fairly new products and I could find nothing on wikipedia or anything. Also, where could I find stats on the use or non-use of contraceptives per state.

Question

http://www.leasshield.com/

http://www.essure.com/Home/Understanding/WhatisEssure/tabid/55/Default.aspx

I didn't look for stats. Knowing that that data is highlprivate, and any numbers listed are likely to be "projected", I didn't bother. Here are some side issues:

http://www.guttmacher.org/pubs/ib22.html