The difference between a Wife in a non monogamous marriage getting pregnant by another person is vastly different than the Husband getting another person pregnant and has Huge Legal issues not to be taken lightly.

Almost all states see it that a married woman that is pregnant yo her husband at the time of conception and or birth regards the Husband Full and Legal Father .

With this the husband is legally responsible for the child and all that it requires. Fully responsible for everything with most cases no recourse to pull out even if both wife and husband say otherwise.

This will be a long and costly process and one that will require a family lawyer to remedy.

And that's if the couple are good towards each other.

Then the Wife in the opposite side has zero issues if the husband gets some other woman pregnant.

It was short explanation for the Wife because that's how the law is written.

If your in an open marriage, be careful, but only for the husband - as You will have the responsibility of Her child of another Man that got her pregnant, Yet if the wife is not held in the same circumstances.

Be careful Men .