Detailed explanation of fetal development at 24 weeks of pregnancy. At 24 weeks of pregnancy, the fetus has grown into a distinct individual, and its facial features, limbs, body and head have all been formed. At this stage, the various organs of the fetus\’s body are still developing in subtle gaps. Mothers need to protect themselves while also paying more attention to the care of the fetus. Fetal development: At the 24th week, the length of the fetus has ranged from 23 cm to 29 cm, and the weight has also increased.