The Paths of the Argentine Experience with Legal Abortion, June 2023. Those good people who oppose our constitutional challenge to the abortion law, claim that “If you make abortion legal, you will encourage licentious sexual activity, especially among young people. The number of abortions at Queen Elizabeth Hospital (QEH) fell by 53% in just 10 years after abortion was legalized in 1983. Similarly, in Guyana, the abortion rate is 20% lower than it was before abortion was legalized in 1995. In just six years with this model, the adolescent fertility rate among teens 15-19 fell from 62.6 to 27, a drop of almost 57%.