I was just reading the account of Adam and Eve in the NIV 84 and it doesn't really say they didn't. The Bible does mention when Sarah had her first boy. When Mary had her first son. But not really ...
There was a show on the History channel stating that some scholars believe Adam and Eve were alive with a third human, Lilith. Lilith disobeyed Adam and Eve, so God sent her to live on earth as a ...
Building on this question... How much of Genesis 2 actually occurred? And how do historians/biblical scholars know that it occurred?