. ... Woman in girlhood, wifehood, motherhood; her responsibilities and her duties at all periods of life; a guide in the maintenance of her health and that of her children . The Uterus or Womb at the Beginning of the First Stageof Labor, Before the Parts Have Been —Os interims or internal mouth, —Os externus orexternal mouth. Between and lies the cervical canal. Just as this occurs, the membranes bulging in frontusually rupture, allowing the waters to escape. Sometimesthe membranes are so tough that they have to be punctured. 192 THE PHYSIOLOGY OF CHILD BIRTH When th
. ... Woman in girlhood, wifehood, motherhood; her responsibilities and her duties at all periods of life; a guide in the maintenance of her health and that of her children . The Uterus or Womb at the Beginning of the First Stageof Labor, Before the Parts Have Been —Os interims or internal mouth, —Os externus orexternal mouth. Between and lies the cervical canal. Just as this occurs, the membranes bulging in frontusually rupture, allowing the waters to escape. Sometimesthe membranes are so tough that they have to be punctured. 192 THE PHYSIOLOGY OF CHILD BIRTH When the child is born with the unbroken membranesaround it, it is said to be born with a caul. In some casesthe membranes rupture early, causing what is known asa dry labor. With the full dilatation of the external os,the first stage ends and the second The Uterus or Womb at the End of the First Stage, After the Parts Have Been Dilated. oi—Internal mouth or os. oe—External mouth or os. oi to oe—Cervical canal. THE SECOND STAGE OF LABOR. During the second stage of labor the head descendsthrough the vagina, advancing slowly and stretching allthe tissues before it. Now, not only does the uterus con-tract, but the abdominal muscles also are brought into playand help to drive the child downward through the birth-canal. The moulding and stretching of the parts to fit thechild usually takes about an hour and a half or two hours. At the end of this time the whole birth-canal will have THE PHYSIOLOGY OF CHILD BIRTH 193 been fully dilated. The vulva, or external opening, then be-gins to distend, and when the aperture is sufficiently large,the head passes through, followed shortly after by the restof the body. With the birth of the child the second stageends. THE THIRD STAGE OF LABOR. After the expulsion of the child the uterus continues
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectwomen, bookyear1906
