Good morning, the first trimester you need to take children's vitamins, they have a lot of folic acid and excellent dosages of the remaining vitamins. The second and third can be a super complex or tnt. I recommend another amino acid for 20 weeks, they regulate the pressure, weight and protein in the urine. Calcium magnesium chelate, from 22nd to 27th week lecithin and omega, and kelp and burdock each trimester with 1 can.