Detailed explanation of fetal development in four months of pregnancy As the pregnancy progresses, the development of the fetus is also gradually improving. At four months of pregnancy, the development of the fetus has reached considerable size and ability. So, to what extent does the fetus develop at four months? Today, let’s take a closer look. Body shape & organ development The body size of a four-month-old fetus is already close to an apple. At this time, the fetus is about 10 centimeters long and weighs about 70 grams. this