But babies in utero are just clumps of cells... In unrelated news, the earliest preemie, born at 23 weeks gestation, turned one year old this week. https://www.usatoday.com/story/news/nation-now/2017/11/14/mom-delivers-earliest-premature-baby-ever-and-chooses-resuscitate-miracle-aughter-now-healthy-toddle/861386001/