1. Characteristics of the male fetus at nine months of pregnancy If the fetus is a boy at nine months of pregnancy, there will be some obvious changes in its appearance and physical characteristics. First, the male fetus\’s penis will begin to become obvious and can even be seen in the B-ultrasound image. In addition, the testicles of the male fetus will gradually descend into the scrotum. At this time, the hair and nails of male fetuses will also grow faster than those of female fetuses. 2. Development of the male fetus at nine months of pregnancy. At nine months of pregnancy, the body of the male fetus has basically