At the end kate said she was pregnant, and earlier in episode 8 it was said that Miles' fertility test was fine. But it is not clear whether clones are fertile. This leads the audience to produce ambiguous reasoning about the origin of the child. In fact, the real suspense is that since Miles is fine and they won't be able to conceive in five or six years, isn't it that Kate has a problem, and now, whether it's Miles or the effort to clone Miles, there's no reason for Kate to suddenly become pregnant up. Therefore, in the second season, this suspense will be revealed. This Kate is the Kate of THS! So when did Kate go to THS? There is a possibility that she found that the bill was overdrawn, and after checking the bill, she found THS, and she also accepted THS by accident. It's also possible that she had been there earlier. This can explain why she was both shocked and calm to take the two Miles home when she saw the two Miles appear for the first time.
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