The second trimester is counted from week 13 to the end of week 27 of pregnancy. In the second trimester, the sex of the fetus can also be clearly seen and the pregnant woman begins to feel the movements of the fetus.

The second trimester of pregnancy is the period when the fetus develops strongly in both shape and brain structure. The weight of the fetus in the second trimester is one of the important factors in assessing the health of the fetus.

The third trimester is also the final stage of pregnancy. During this stage, the fetus continues to develop and mature so that it can be born healthy. Below are signs of good fetal development in the last 3 months.

Fetal movement is the movement of the fetus during the time in the mother's womb from stretching, twisting, kicking,... Normally, in the first months, the fetus moves less and the mother does not feel much, but by the 16th week, the fetus will start to move more clearly. So is it abnormal that the fetus does not move at 18 weeks?