Which country requires both men and women to take a class on modern contraception before receiving a marriage license?

Hi Mozart,
According to the BBC, Iran is believed to be the only country where men and women are required to attend classes about contraception before they can obtain a marriage license.
Wikipedia

When I was reading about this subject, I came across this article. It's very interesting:

The International Encyclopedia of Sexuality: Iran

That's the right answer dg. Thanx for your answer.