The miracle of birth is one of life's greatest beauties, that is until you actually see it happening. Things can get gross fast, but sometimes there is a very thin line between gross and fascinating. Take animal amniotic sacs, for instance. While they may sound disgusting, photos of animal amniotic sacs are actually really interesting and can show the reproductive process in a way most people have never seen.
Some animals aren't normally born with their amniotic sacs intact, but it does happen occasionally. If you're not entirely sure what an amniotic sac even is, it's the fluid filled membrane inside which a fetus grows to term. They kind of look like massive balls of jello made out of blood and mucus, so most pictures of an amniotic sac are fairly unpleasant to behold. If you've got the stomach, take a look at these amazing photos of animals and animal fetuses with their amniotic sacs.