Stopping Metformin and Progesterone. Anyone have experience with this?

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I am 16 weeks tomorrow and my OBGYN is having me stop my Metformin and Progesterone. Anyone have any experience with stopping one or both in the second trimester? I am a bit nervous to stop but was assured that since I am out of the first trimester everything will be fine. Thank y'all. Any advice is welcome. 💙