Can we please get a follow up? Like..asap!!

Sterility is rarely 100%. They will declare you sterile just for having a very low sperm count. Get a paternity test, they could still be yours.

Surreptitiously test your eldest child and don't say anything until you get the results. If it's kosher leave it alone or test the second child if you must. If the first test flunks confront her but prepared for this to go sideways. What are you truly prepared to do if the kids aren't yours? You need to know the answer before you start this.

Medications, chemotherapy, and conditions can cause sterility. As others have said, you may not have been previously sterile. Also, there are medical wonders - some people who appear "sterile" on record still manage to have a child. There are possibilities. However, a paternity test would be the way to get real answers.

DNA tests man I'm sorry man

Please note that being sterile in humans does not mean unable to EVER reproduce, it means that it would be exceedingly rare and it would be extremely difficult to conceive if you were trying to. I would double check your results, and keep in mind that this may be a recent change, rather than something that was always true. Approach this carefully and if you want a paternity test, get one, but do not act accusatory or assume that she has definitely done something wrong as it may in fact, still be your child, and you don't want to burn the bridges between you just to find out that your fears turned out to be unwarranted as you may find yourself unable to come back from that.

OP, a follow up please!!!

think things through first before you act. I once spent over an hour arguing with a Dr who told me I was infertile. I called bs as I had 2 sons at home. he disagreed and said they can't be mine then. funny as I gave birth to them. the 3 sons that followed also make me call bs on their tests that claim I can't have kids

stay outta jail!

She may be Mary because only jesus can get her out of a jam like that