CHAP. XIII. With what travell the Childe is brought into the world, and of the cause of this labour and travell.
WHen the naturall prefixed and prescribed time of child-birth is come, the childe being then growne greater, requires a greater quantity of food: which when he cannot receive in sufficient measure by his navell, with great labour and striving hee endeavoureth to get forth: therefore then free is moved with a stronger violence, and doth breake the membranes wherein he is contained. Then the wombe, because it is not able to endure such vio∣lent motions, nor to sustaine or hold up the childe any longer, by reason that the conceptacles of the membranes are broken asunder, is relaxed. And then the childe * 1.1 pursuing the aire which hee feeleth to enter in at the mouth of the wombe, which then is very wide and gaping, is carried with his head downewards, and so com∣meth into the world, with great pain both unto it selfe, and also unto his mother, by reason of the tenderness of his body, & also by reason of the extension of the nervous necke o•…•… mothers wombe, and separation of the bone called Os Ilium from the bone cal•…•… Os sacrum. For unlesse those bones were drawne in sunder, how could * 1.2 not onely twinnes that cleave fast together, but also one childe alone, come forth at so narrow a passage as the necke of the wombe is? Not onely reason, but also expe∣rience confirmeth it; for I have opened the bodies of women presently after they