Like I’ve said, don’t get married. The risk-reward ratio is way out of whack. Notice that she’s trying to conceive while at the same time having an affair.
I’ve written this before, but there is a real chance that a woman I met at a business conference years ago may have had my kid, in a situation not too far off from this one. The timing matches up. Could easily be her husband’s. Or some other guy’s, for all I know.