First trimester period commences from 1st week to 12th week of your pregnancy. This period is typically vital for the development of your fetus, subsequently you will also undergo many emotional and physical changes.
Second trimester is the period between 13th to 27th week of gestation. This period accords you a pregnant look and feel. This would portrays a baby kicking sensation in the womb.
Third trimester period spans from 28th week until delivery. The fetus within you would be growing enough to emerge out of the uterus. At this juncture, you would be experiencing a lot more changes in your body, your baby bump gets bigger to the maximum stretch, you will also experience the following body changes.