Job interview at 5w 5d

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I am going to a job interview tomorrow for a management position with a pretty big company. I am 5w 5d. With this position, I would have to do 8-10 weeks training with their company before actually being placed in the position somewhere. This will be my 3rd and final interview. Do I tell them that I am pregnant? If I do 8-10 weeks training, I will be 14-16 weeks by the time I am placed somewhere. So if I don't tell them tomorrow, it is likely that I'll be showing or that they'll find out before I complete the training. I know that they can't fire me over it, but I know they can just not hire me and say that I'm not a good candidate for the position. What do I do?! 😩