1. Development of the female fetus at six months of pregnancy. At six months of pregnancy, the female fetus has basically formed all parts of the body, including the head, limbs, trunk and internal organs. At this time, the length of the female fetus is about 28 centimeters and the weight is about 600 grams. The head is relatively large, accounting for about one-third of the entire body. In addition, the skin of the female fetus begins to become transparent, and internal structures such as blood vessels and bones can be seen. 2. The athletic ability of the female fetus is enhanced. As the female fetus develops, its athletic ability will gradually increase.