Full record of fetal size changes during pregnancy, latest gestational age fetal size comparison table, pregnancy is a process full of expectations and mystery. Once you are diagnosed with pregnancy, you should start paying attention to the changes in gestational age and fetus. The size of the fetus is one of the most important indicators. As the gestational age increases, the size of the fetus continues to grow. The following is a complete record of fetal size changes during pregnancy and the latest gestational fetal size comparison table, allowing you to more easily track and record the fetus. growth. First trimester (week 1 to 13)