Question

Abstinence is the only birth control method that has a zero percent failure rate for an unplanned pregnancy and 100 percent rate of protection against STIs.Thirty years ago, there were only two common and easily treated STIs.

Answer 1

Thirty years ago, there were only two common and easily treated STIs, they are Syphilis and Gonorrhea, which are very easily treatable with some antibiotics

Dangerous STIs such as Chlamydia ( which is very dangerous to woman) and HIV ( which is very dangerous because it will destroy your immune system) just started to developed in the 1980s