Bible Verses About unwed and pregnant

As it is written, There is none righteous, no, not one:

Now concerning the things whereof ye wrote unto me: It is good for a man not to touch a woman.

But if they cannot contain, let them marry: for it is better to marry than to burn.

In every thing give thanks: for this is the will of God in Christ Jesus concerning you.

Every good gift and every perfect gift is from above, and cometh down from the Father of lights, with whom is no variableness, neither shadow of turning.

My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous:

Nevertheless I have somewhat against thee, because thou hast left thy first love.