Culture is represented in a groupâs: 1  language, 2  decision making, 3  symbols, 4  stories and legends, and. 5  daily work practices.
The third trimester starts at 28 weeks and continues until the birth of your baby. This is the seventh month of your pregnancy and during this time the fetus grows larger and the organs begin to mature.
Pregnancy Week 3. The third week is around the time that ovulation and conception occur. During this week, fetal development will begin, including development of the brain and spinal cord.