In the 3rd trimester of pregnancy, the growth of your baby will speed up as he achieves weight and ready for life outside your womb. Due to this, you’ll too gain weight fast. Your energy requirement will bolster as your baby is developing fat layers. Vitamin K is vital for blood to clot – essential after childbirth. Therefore, it is suggested that you consume a lot of vitamin k rich food. As in the 1st and 2nd trimesters of pregnancy, iron continues to be a vital nutrient in your 3rd trimester in order to avert anemia.