Page 3 - 2023 Elctronic Book (3) Normal Labor_Neat

C-Pubic bones and the symphysis pubis .................................................................. 12

2-Sacrum ..................................................................................................................... 12

The pelvic canal .......................................................................................................... 13

Figure 2 the pelvic canal seen from the side, with the body facing to the left. ........................ 14
Figure 3 the pelvic canal seen from the side, with the body facing to the left. ........................ 15

 The size and shape of the pelvis ....................................................................... 15

 True pelvis: ........................................................................................................ 16
 The pelvic inlet: ................................................................................................. 16

Figure 4 Diameters of the pelvic inlet, viewed from above. ....................................................... 16

 The Pelvic Cavity: ............................................................................................. 18
 The pelvic outlet: ............................................................................................... 18

Figure 5 Diameters of the pelvic outlet, viewed from below. .................................................... 19

Types of pelvises ......................................................................................................... 20
Figure 6 Types of pelvis ................................................................................................................ 21

Fetal Skull .................................................................................................................... 26

INTRODUCTION ......................................................................................................................... 26
Bones of the Vault: ........................................................................................................................ 26
Sutures ............................................................................................................................................ 27

Fontanelles: .................................................................................................................................... 28
Diameters of the Fetal Head ......................................................................................................... 29

Summary In Study Session 1A&B, you have learned that: ................................... 32

Student activities ......................................................................................................... 33

Normal Labor ............................................................................................................. 36

Learning Outcomes: .......................................................................................... 37
Definition of terms: ....................................................................................................................... 38

Characteristics of normal labor ................................................................................ 38
Factors affecting the progress of labor: ...................................................................................... 38

Characteristics of uterine contractions ....................................................................................... 39

Theories of Onset of Labor ........................................................................................................... 39
Diagnosis of Onset of Labor ......................................................................................................... 43
Difference between true and false labor: .................................................................................... 43

Signs of True Labor pains: ........................................................................................................... 44
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