I luckily had an excellent doctor at the hospital where I have been going for my antenatal appointments. She kept me on
Metformin in my first trimester, I am now in my second trimester, and she has been monitoring my sugars, and I don't seem to need it anymore, so she has taken me off it. But she said that has been a very recent study, which was very comprehensive which has shown that Metformin is completely safe to use throughout the whole pregnancy where needed.