The different stages of human development. The fetal stage of human development begins around 8 weeks after fertilization — when the embryo has developed its basic form — and lasts until birth. It’s a transformation unlike any other: from a 1-inch-long, bean-shaped body to a fully formed newborn, 20 inches (50 cm) long and weighing around 7.5 pounds (3.4 kg). By the end of the first trimester, most major organs are in place. The heart has been beating since about week 6, but now it’s pumping blo

the first few days of human #embryo development are amazing and beautiful and rarely seen except with new technology for time lapse . What do you think when you see this? ...and realize it might become a person.... #ivf #ttc #infertility #reels #pcos #reelsviral #reelsvideo #reelsig | Steven Palter