At the end of the seventh month the fetus is from thirteen to fifteen or sixteen inches long and weighs about three pounds. Is capable of independent life, but must be brought up with great care, usually in an incubator.
At the end of the eighth month the length is from fifteen to seventeen inches, and weight from three to five pounds.
At the end of the ninth month the length of the fetus is from sixteen to seventeen and one-half inches, and weight from five to seven pounds.
At the end of the tenth lunar month (at birth) the length of the child is from seventeen to nineteen inches and the weight from six to twelve pounds; the average is seven and a quarter, but there are full term children weighing less than six pounds and more than twelve; but these are exceptions.
Chapter Fourteen[ToC]
THE AFTERBIRTH (PLACENTA) AND CORD
How the Afterbirth Develops—Bag of Waters—Umbilical Cord—The Navel—Fetus Nourished by Absorption—Fetus Breathes by Aid of Placenta—No Nervous Connection Between Mother and Child.