ANSWER: The Third Trimester
EXPLANATION: During the first two months of pregnancy, the brain cells start to branch off the main part of baby's different part of the body including mouth. At the same time, taste buds begin forming where the baby’s tongue will be. By week 8 of pregnancy, neurons from the brain will have connected with these developing taste buds and by week 16, the taste pores will be developed. By week 21, the baby will swallowing food.