Pregnancy lasts about 40 weeks. Pregnancy is divided into three periods of time — first, second and third trimester. Each trimester is roughly around 14 weeks long. When you enter your second trimester, you are around 14 weeks pregnant. Second (2nd) Trimester of pregnancy starts from week number 14 and ends at week number 27. 

Second trimester of pregnancy is considered to be the best part of pregnancy. For many pregnant women, their first trimester issues like fatigue, morning sickness will go away in this trimester Your baby will continue developing during this trimester in terms of getting additional weight and taking on the features of a newborn.