If you leave them attached to the mom dog they're less likely to get lost.
Just look! On the tummy......1 has only an umbilical cord and the other has the umbilical cord and a penis.
The umbilical cord. The umbilical cord has the function of sending blood to the baby and returning blood from the baby after it has been utilized. There are two arteries in the umbilical cord that do this.
Don't worry about it.That's natures way.
newtest3eggs
The umbilical cord connects the navel of a fetus with the placenta. When the baby is born the umbilical cord is cut. The belly button is the location where the umbilical cord connected to the placenta.
Actually it's impossible... You can read more about the umbilical cord here: <a href="http://umbilical-cord-care.com">http://umbilical-cord-care.com</a>
not sure what you mean by "which of these" but the umbilical cord connects the embryo to the mother.
Usually dog mom does that but if you have to make sure you sterlize your scissors first,leave about 1 to 2 inches of the umbilical on the puppy. By leaving 1-2" on the puppy, this will decrease the risk of any injury, if you cut the cord too far down. Don't worry though, this part will eventually grow into the puppy, to form a bellybutton.
Umbilical cord.
Yes, when you miscarry, you will pass the umbilical cord.
The two structures that are connected by the umbilical cord are the embryo and the placenta. The umbilical cord is also known as the navel string or birth cord.
The umbilical cord is attached to the placenta and the placenta is attached to the wall of the uterus