For a detailed meal plan and dietary recommendations for 1-3 months of pregnancy, you should read this article https://femia.health/health-library/pregnancy/pregnancy-health/1-to-3-month-pregnancy-diet-chart/. It will help you create an optimal diet and avoid deficiencies in nutrients that are important for your health and the health of your unborn baby. In the first trimester of pregnancy, it is especially important to provide the body with the necessary nutrients for the health of the mother and the proper development of the fetus. The diet should be varied and balanced, including proteins, healthy fats, carbohydrates, vitamins and minerals. It is important to consume foods rich in folic acid, which promotes the development of the baby's nervous system. It is also recommended to increase the intake of iron and calcium, which play a key role in the development of the skeletal system and circulatory system of the fetus.