1. Fetal development at 5 months of pregnancy: At 5 months of pregnancy, the fetus has developed into shape, with a length of about 20 cm and a weight of about 300 grams. At this time, the fetus\’ head is slightly larger than the body, subcutaneous fat begins to accumulate, and the bones gradually become hard. In addition, the fetus\’s hearing and vision also begin to gradually develop. 2. Pregnancy