It is not always so easy to just calculate how many months you have been carrying your baby or which trimester you are in as the calculations of a pregnancy calendar is a little different than that of regular weeks and months. For instance, a month in pregnancy can consist of five weeks instead of four. So, it is quite common to get confused about how many months pregnant you are at a certain week.

Pregnancy Trimester, Month and Week Breakdown Chart

Which Trimester How Many Months How many Weeks
First 1 1-2, 3, 4
2 5, 6, 7, 8
3 9, 10, 11, 12, 13
Second 4 14, 15, 16, 17
5 18, 19, 20, 21
6 22, 23, 24, 25, 26
Third 7 27, 28, 29, 30
8 31, 32, 33, 34, 35
9 36, 37, 38, 39, 40

The more you know about the 40 weeks your bundle of joy grows inside of you, the better you can help in his proper development. It is true that whatever a woman does during pregnancy is reflected in her baby’s physical and mental health.But having said that, not all complications, congenital problems and deformities are the mother’s fault; you can only follow your doctor’s guidelines and maintain a healthy lifestyle to keep your baby whole and healthy.