CHAPTER V. SIGNS, SYMPTOMS, AND PHYSIOLOGY OF PREGNANCY. Duration of
Pregnancy. Date of Labor. Signs of Pregnancy: Presumptive, Probable, and Positive. Physiological Changes in the Maternal Organism: Uterus. Cervix. Vagina. Tubes and Ovaries. Abdomen. Umbilicus. Breasts. Cardio-Vascular System. Respiratory Organs. Digestive Tract. Urinary Apparatus. Bony Structures. Skin. Carriage. Temperature. Mental and Emotional Changes. Ductless Glands.