N. An incredibly badass unborn. Will cut it's own ambilical cord from birth, often done by forcing it's host body aka mother to swallow a machete or katana, then performs it's own Cesarian with it. Upon it's escape it will cut the ambilical cord.
"What's that on the ultrasound? is our baby wearing a ninja stylin' headband with the rising sun of Japan? Sweet Satan Delilah, I think you're carrying a Fetal Warrior! Hold still, I'll get the gun."