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Myles Survival Guide to Midwifery E-Book

Myles Survival Guide to Midwifery E-Book

Maureen D. Raynor | Christine Catling

(2017)

Additional Information

Book Details

Abstract

New edition of the hugely popular Survival Guide to Midwifery, originally created in response to student requests for quality-assured, ‘dip into’ information designed for use in the clinical environment. The latest edition is fully updated throughout and has new authorship from the UK and Australia.

  • Helpful bullet point style allows rapid access to essential information
  • Useful revision guide for examinations and assessments
  • Contains common abbreviations, medications, drug calculations, glossary of common terms, and normal values
  • Thoroughly revised to reflect key developments in current midwifery practice
  • Now includes further reading and useful website addresses

Table of Contents

Section Title Page Action Price
Front Cover cover
Myles Survival Guide to Midwifery i
Copyright Page iv
Table Of Contents v
Preface vii
What’s new? vii
Acknowledgements viii
Common Abbreviations Used Within the Guide ix
1 Anatomy and Reproduction 1
1 The Female Pelvis and the Reproductive Organs 2
The female pelvis 2
The innominate bones (Fig. 1.1) 2
The ilium 2
The ischium 2
The pubic bone 2
The sacrum 3
The coccyx 4
The pelvic joints 4
The pelvic ligaments 4
The true pelvis 4
The pelvic brim 4
Diameters of the brim 5
The anteroposterior diameter 5
The oblique diameter 7
The transverse diameter 7
The pelvic cavity 7
The pelvic outlet 7
The false pelvis 7
Pelvic inclination 8
The pelvic planes 8
The axis of the pelvic canal 8
The four types of pelvis (Table 1.1) 9
The pelvic floor 9
The vulva 11
The vagina 11
The uterus 11
Supports 12
Structure 12
The body or corpus 13
The fundus 13
The cornua 13
The uterine tubes 13
The cavity 13
The isthmus 13
The cervix 14
Layers 14
The endometrium 14
The myometrium 15
The perimetrium 15
Blood supply 15
Lymphatic drainage 16
Nerve supply 16
The ovaries 16
Useful website 16
2 The Female Urinary Tract 17
The kidneys 17
Functions 17
Position and appearance 17
Inner structure 17
The nephrons (Fig. 2.1) 18
Juxtaglomerular apparatus 19
Blood supply 19
The making of urine 20
Filtration 20
Reabsorption 20
Secretion 21
Endocrine activity 21
The urine 21
The ureters 22
The bladder 22
Structure 22
The urethra 23
Micturition 23
Further reading 24
Useful website 24
3 Hormonal Cycles 25
Fertilization and early development 25
The ovarian cycle 25
Ovarian hormones 25
Oestrogen 25
Progesterone 26
Relaxin 26
Pituitary control 26
FSH 26
LH 27
Prolactin 27
The uterine cycle or menstrual cycle 27
Fertilization 27
Development of the zygote 29
The decidua 29
The trophoblast 29
The inner cell mass 30
The embryo 30
Useful website 30
4 The Placenta 31
Development 31
Circulation through the placenta 31
The mature placenta 32
Functions 32
Appearance of the placenta at term 33
Amniotic fluid 33
Functions 33
Volume 33
Constituents 34
The umbilical cord 34
Anatomical variations of the placenta and the cord 34
5 The Fetus 37
Time scale of development 37
Fetal organs 37
Blood 37
The renal tract 37
The adrenal glands 37
The liver 37
The alimentary tract 39
The lungs 40
The central nervous system 40
The skin 40
The fetal circulation 40
The fetal skull 42
Ossification 43
Bones of the vault (Fig. 5.3) 43
Sutures and fontanelles 44
Regions and landmarks of the fetal skull 44
Diameters of the fetal skull 44
Attitude of the fetal head 46
Presenting diameters 46
Vertex presentation 46
Brow presentation 47
Face presentation 47
Moulding 47
The intracranial membranes and sinuses (Fig. 5.5) 47
2 Pregnancy 49
6 Preparing for Pregnancy 50
Preconception care 50
General health and fertility 50
Body weight 50
Principles of a healthy diet 51
Folate, folic acid and neural tube defects 52
Vitamin A 52
Pre-existing medical conditions and drugs 53
Diabetes 53
Epilepsy 53
Phenylketonuria 53
Oral contraception 54
Drug abuse 54
Environmental factors 54
Smoking 54
Alcohol 55
Exercise 55
Workplace hazards and noxious substances 55
Genetic counselling 55
Mendelian inheritance 56
Chromosome abnormalities 56
Non-Mendelian disorders 56
Prenatal diagnosis 56
Infertility 57
Assisted reproduction techniques 57
Suggested reading 58
Useful website 58
7 Change and Adaptation in Pregnancy 59
Physiological changes in the reproductive system 59
The body of the uterus 59
Decidua 59
Myometrium 59
Muscle layers 59
Uterine activity in pregnancy 60
Perimetrium 61
Blood supply 61
Changes in uterine shape and size 62
The cervix 63
The vagina 63
Changes in the cardiovascular system 64
The heart 64
Cardiac output 64
Blood 65
Blood pressure 65
Blood volume 65
Plasma 65
Red blood cells 66
Iron metabolism 67
Plasma protein 67
Clotting factors 67
White blood cells (leucocytes) 67
Immunity 68
Changes in the respiratory system 68
Changes in the urinary system 69
Changes in the gastrointestinal system 71
Changes in metabolism 72
Maternal weight 73
Skeletal changes 73
Skin changes 74
Pigmentation 74
Stretch marks 75
Itching 75
Hair 75
Other skin changes 75
Changes in the breasts 75
Changes in the endocrine system 76
Placental hormones 77
Pituitary gland and its hormones 77
Thyroid function 78
Adrenal glands 78
Diagnosis of pregnancy 79
8 Common Disorders of and Exercises for Pregnancy 82
Relief of aches and pains 82
Back and pelvic pain 82
Cramp 82
Antenatal exercises 83
Transversus exercise 84
Pelvic tilting or rocking 84
Pelvic floor exercise 84
Foot and leg exercises 85
Additional information 85
Stress, relaxation and respiration 85
Respiration 86
Further reading 87
Useful website 87
9 Antenatal Care 88
Aim of antenatal care 88
The initial assessment (booking visit – ideally by 10 weeks’ gestation) 88
Models of midwifery care 89
Introduction to the midwifery service 89
Observations 89
Social history 89
General health 90
Menstrual history 90
Obstetric history 91
Medical history 92
Family history 92
Physical examination 92
Weight 92
Blood pressure 92
Urinalysis 94
Blood tests in pregnancy 94
The midwife’s examination and advice 95
Nausea and vomiting 95
Bladder and bowel function 95
Vaginal discharge 96
Abdominal examination 96
Oedema 96
Varicosities 97
Abdominal examination 97
Preparation 97
Method 97
Inspection 97
Skin changes 98
Palpation 98
Fundal palpation 98
Lateral palpation 99
Pelvic palpation 100
Auscultation 101
Findings 102
Gestational age 102
Lie 102
Attitude 102
Presentation 102
Denominator 103
Position 103
Engagement 103
Ongoing antenatal care 107
16 weeks 107
18–20 weeks 107
25 weeks 107
28 weeks 107
31 weeks (nulliparous women) 107
34 weeks 108
36 weeks 108
38 weeks 108
40 weeks (nulliparous women) 108
41 weeks 108
Further reading 109
Useful website 109
10 Specialized Fetal Investigations 110
Psychological aspects of prenatal testing 110
Tests for fetal abnormality 110
Screening for fetal abnormality 110
The use of ultrasound in maternity care 111
First trimester pregnancy scans 112
Measurement of nuchal translucency at 10–14 weeks as a screen for Down syndrome 112
Second trimester ultrasound scans 112
The detailed fetal anomaly scan 113
Markers for chromosomal abnormality 113
Third trimester pregnancy scans 113
Fetal growth 113
Asymmetrical growth restriction 114
Doppler ultrasonography 114
Biophysical profiling 114
Screening for fetal abnormality 115
Invasive diagnostic tests 116
Chorionic villus sampling 116
Amniocentesis 117
Fetal blood sampling 117
Suggested reading 117
Useful websites 117
11 Abnormalities of Early Pregnancy 118
Bleeding in pregnancy 118
Implantation bleeding 118
Cervical ectropion 118
Cervical polyps 119
Carcinoma of the cervix 119
Types 119
Clinical presentation 119
Investigation 119
Treatment 120
Spontaneous miscarriage 120
Incidence 120
Sequelae to early pregnancy loss 120
Induced abortion 121
Methods 123
Recurrent miscarriage 123
Cervical insufficiency 123
Causes 124
Treatment 124
Ectopic pregnancy 124
Risk factors for ectopic pregnancy 124
Clinical presentation (Box 11.3) 124
Gestational trophoblastic disease 125
Hydatidiform mole 126
Clinical presentation 126
Treatment 126
Administration of anti-D immunoglobulin in early pregnancy 127
Retroversion of the uterus 127
Fibroids (leiomyomas) 127
Effect of pregnancy on fibroids 127
Effect of fibroids on pregnancy 127
Red degeneration of fibroids 128
Hyperemesis gravidarum 128
Clinical presentation 128
Management 128
Useful websites 129
12 Problems of Pregnancy 130
Abdominal pain in pregnancy 130
Uterine fibroid degeneration 130
3 Labour 235
17 The First Stage of Labour 236
Phases of the first stage 236
The onset of spontaneous normal labour 236
Spurious labour 236
Physiological processes 237
Uterine action 237
Fundal dominance (Fig. 17.1) 237
Polarity 238
Contraction and retraction 238
Formation of upper and lower uterine segments 239
Cervical effacement 239
Cervical dilatation 240
Mechanical factors 240
Formation of the forewaters 240
General fluid pressure 241
Rupture of the membranes 241
Fetal axis pressure 241
Observations and care in labour 242
Maternal wellbeing 242
Past history and reaction to labour 242
Pulse rate 242
Temperature 243
Blood pressure 243
Urinalysis and bladder care 243
Fluid balance 243
Abdominal examination 243
Vaginal examination (VE) and progress in labour 244
Nutrition 245
Prevention of infection 246
Bowel preparation 246
Position and mobility 246
Pain management 246
Non-pharmacological methods of pain control 246
Pharmacological methods of pain control 247
Opiate drugs 247
Inhalation analgesia 247
Regional (epidural) analgesia 247
Fetal wellbeing 249
The fetal heart 250
Intermittent fetal monitoring 250
Continuous EFM 250
Findings 250
Response of the fetal heart to uterine contractions 251
Interpretation of CTG 251
Fetal blood sampling 252
Amniotic fluid 252
Fetal compromise 252
Midwife’s management of fetal compromise 254
Preterm labour 254
Records 254
Further reading 255
Useful websites 255
18 The Second Stage of Labour 256
The nature of transition and second-stage phases of labour 256
Uterine action 256
Soft tissue displacement 257
Duration of the second stage 257
Maternal response to transition and the second stage 257
Pushing 257
Position 258
The mechanism of normal labour 258
Main movements 259
Descent 259
Flexion 259
Internal rotation of the head 259
Extension of the head 260
Restitution 260
Internal rotation of the shoulders 260
Lateral flexion 260
Observations and care during the second stage of labour 260
Principles of care 260
Observations 262
Uterine contractions 262
Descent, rotation and flexion 262
Fetal condition 263
Suspicious/pathological changes in the fetal heart when CTG in use 263
Maternal condition 264
Birth of the head 264
Birth of the shoulders 265
Episiotomy 265
Types of incision 267
Perineal trauma 267
Records 268
Further reading 268
Useful website 269
19 The Third Stage of Labour 270
Physiological processes 270
Separation and descent of the placenta 270
Mechanical factors (Fig. 19.1) 270
Haemostasis 270
Management of the third stage 273
Uterotonics agents 274
Intravenous ergometrine 0.25–0.5 mg 274
Combined ergometrine and oxytocin 275
Oxytocin 275
Prostaglandins 275
Clamping of the umbilical cord 276
Delivery of the placenta and membranes 276
Controlled cord traction (CCT) 276
Asepsis 278
Cord blood sampling 278
Completion of the third stage 278
Immediate care 279
Complications of the third stage of labour 279
Postpartum haemorrhage (PPH) 279
Primary postpartum haemorrhage 279
Atonic uterus 280
Signs of PPH 280
Prophylaxis 281
Management of PPH 281
Secondary postpartum haemorrhage 281
Suggested reading 282
Useful website 283
20 Prolonged Pregnancy and Disorders of Uterine Action 284
Post-Term, Post-Dates or Prolonged Pregnancy 284
Plan of care for prolonged pregnancy 284
Indications for induction 286
Some contraindications to induction 286
Cervical ripening 287
Structural changes in ripening 287
Prostaglandins (PGE2) 287
Methods of inducing labour 287
Prostaglandins and induction 287
Associated risks of PGE2 preparations 288
Sweeping or stripping of cervical membranes 288
Amniotomy 288
Hazards of ARM 289
Oxytocin 289
Administration of oxytocin to induce labour 290
Risks associated with oxytocin infusion 290
Responsibilities of the midwife in the care of a mother where labour is induced 290
Prolonged labour 291
Delay in the latent phase 292
Delay in the active phase 292
Inefficient uterine action 292
Factors that may affect uterine action 293
Augmentation of labour 293
Incoordinate uterine activity 293
Constriction ring dystocia 293
Management of prolonged labour 294
Prolonged second stage of labour 295
Causes of delay in the second stage 295
Management of a prolonged second stage of labour 295
Cervical dystocia 296
Precipitate labour 296
Trial of labour 296
Obstructed labour 297
Causes of obstructed labour 297
Signs of obstructed labour 297
Management of obstructed labour 297
Complications of obstructed labour 297
Suggested reading 299
Useful website 299
21 Malpositions of the Occiput and Malpresentations 300
Occipitoposterior positions 300
Causes 300
Antenatal diagnosis 300
History 300
Abdominal examination 300
Inspection 300
Palpation 301
Auscultation 301
Diagnosis during labour 301
Vaginal examination 301
Management of labour 301
Mechanism of the right occipitoposterior position (Long rotation) 301
Possible course and outcomes of labour 304
Long internal rotation 304
Short internal rotation (persistent occipitoposterior position) 305
4 Puerperium 361
24 Physiology and Care in the Puerperium 362
Definitions 362
Puerperium 362
Postnatal period 362
Midwives and the management of postpartum care 362
Aims of postnatal care 362
Physiological changes 363
The uterus 363
Involution 364
Lochia 364
Assessment of vaginal blood loss 365
Perineal pain 365
Advice on what might help perineal pain 365
Vital signs and general health 367
Blood pressure 367
Circulation 368
Skin and nutrition 368
Urine and bowel function 368
Exercise and healthy activity versus rest, relaxation and sleep 368
Afterpains 369
Future public health issues and future fertility 369
Suggested reading 370
Useful website 370
25 Physical Problems and Complications in the Puerperium 371
Immediate untoward events for the mother following the birth of the baby 371
Postpartum haemorrhage 371
Maternal collapse within 24 hours of the birth without overt bleeding 372
Postpartum complications and identifying deviations from the normal 373
Vulnerability to infection, potential causes and prevention 373
Acquisition of infections 375
The uterus and vaginal loss following vaginal birth 375
The uterus and vaginal loss following operative birth 376
Wound problems 376
Perineal problems 376
Caesarean section wounds 378
Circulation problems 378
Hypertension 380
Headache 380
Backache 381
Urinary problems 381
Bowels and constipation 382
Anaemia 383
Breast problems 383
Suggested reading 384
Useful website 384
26 Perinatal Mental Health 385
Stress/anxiety and domestic abuse 385
The transition to motherhood 386
Normal emotional changes during pregnancy, labour and the puerperium 386
First trimester 386
Second trimester 386
Third trimester 386
Labour 387
The puerperium 387
Postnatal ‘blues’ 388
Emotional distress associated with traumatic birth events 388
PNMH disorders 388
Types of PNMH disorders 389
PNMH in pregnancy 389
PNMH disorders after birth 390
Puerperal psychosis 390
Postnatal depressive illness (PND) 391
Mild to moderate forms 391
Severe depressive illness 392
Treatment of PNMH disorders 392
Pharmacological treatment 392
General principles 393
Antidepressants 393
Antipsychotics 395
Mood stabilizers 395
Anticonvulsants 395
Suggested reading 396
Useful websites 396
5 The Newborn Baby 397
27 The Baby at Birth and Neonatal Resuscitation 398
Adaptation to extrauterine life 398
Pulmonary adaptation 398
Cardiovascular adaptation 399
Thermal adaptation 400
Immediate care of the baby at birth 402
Prevention of heat loss 402
Clearing the airway 402
Cutting the umbilical cord 402
Identification 403
Immediate neonatal assessment at birth 403
Continued early care 403
Vitamin K 404
Failure to establish respiration at birth 405
Intrauterine hypoxia 405
Respiratory depression 406
Resuscitation of the newborn 407
External cardiac massage 409
Use of drugs by the medical team 410
Naloxone hydrochloride 411
Sodium bicarbonate 411
Adrenaline (epinephrine) 411
Dextrose solution 411
Observations and after-care 412
Suggested reading 412
Useful website 413
28 The Normal Baby 414
General characteristics 414
Appearance 414
Physiology 414
Respiratory system 414
Cardiovascular system and blood 414
Temperature regulation 415
Renal system 415
Gastrointestinal system 415
Immunological adaptations 416
Reproductive system: genitalia and breasts 417
Skeletomuscular system 417
Psychology and perception 418
Special senses 418
Vision 418
Hearing 418
Smell and taste 418
Touch 418
Sleeping and waking 418
Crying 419
Examination at birth 419
Colour and respirations 419
Face, head and neck 419
The mouth 420
The ears 420
Chest and abdomen 420
Genitalia and anus 420
Limbs and digits 421
Spine 421
Temperature 421
Documentation 421
Observation and general care 421
Neonatal care 421
Prevention of airway obstruction 422
Prevention of hypothermia 422
Prevention of infection 422
Skin care 422
Vaccination and immunization 423
Prevention of injury and accident 423
Assessing the baby’s wellbeing 423
Full examination within 72 hours of birth 424
Blood tests 424
Promoting family relationships 424
Parent–infant attachment 424
Promoting confidence and competence 424
Promoting communication 424
Suggested reading 426
Useful websites 426
29 Infant Feeding 427
Anatomy and physiology of the breast 427
Properties and components of breast milk 428
Fats and fatty acids 428
Carbohydrate 429
Protein 429
Vitamins 429
Fat-soluble vitamins 429
Vitamin A 429
Vitamin D 429
Vitamin E 430
Vitamin K 430
Water-soluble vitamins 430
Minerals and trace elements 431
Iron 431
Zinc 431
Calcium 431
Other minerals 431
Anti-infective factors 432
Leucocytes 432
Immunoglobulins 432
Lysozyme 432
Lactoferrin 432
Bifidus factor 432
Hormones and growth factors 433
Management of breastfeeding 433
The first feed 433
Attachment and positioning 433
Feeding behaviour 434
Timing and frequency of feeds 434
Expressing breast milk 435
Care of the breasts 436
Breast problems 436
Sore and damaged nipples 436
Other causes of soreness 436
One breast only 436
Anatomical variations 436
Problems with breastfeeding 437
Engorgement 437
Deep breast pain 438
Mastitis 438
Non-infective (acute intramammary) mastitis 438
Infective mastitis 439
Breast abscess 439
Blocked ducts 439
White spots 439
Feeding difficulties due to the baby 440
Cleft lip 440
Cleft palate 440
Tongue-tie (ankyloglossia) 440
Blocked nose 441
Down syndrome 441
Prematurity 441
Contraindications to breastfeeding 441
Medication 441
Cancer 441
Breast surgery 441
HIV infection 442
Weaning from the breast 442
Complementary and supplementary feeds 442
Artificial feeding 443
Whey-dominant formulae 443
Casein-dominant formulae 443
Babies intolerant of standard formulae 443
Preparation of an artificial feed 444
The water supply 444
Sterilization of feeding equipment 444
Bottle teats 445
Feeding the baby with the bottle 445
The baby-friendly hospital initiative 445
Suggested reading 446
Useful websites 446
30 The Healthy Low-Birth-Weight Baby 447
Classification of babies by weight and gestation 447
Weight 447
Gestational age 447
Small for gestational age (SGA) 447
Intrauterine growth restriction (IUGR) 448
Causes of intrauterine growth restriction 448
Asymmetric growth (sometimes called acute) 448
Appendix 1 Drugs (Medicines) 547
Appendix 2 An Aid to Calculations Used in Midwifery Practice 557
Simple formula for conversion 557
Example: 557
Appendix 3 Normal Values in Pregnancy 562
Units of measurement 562
Weight gain in pregnancy 562
Biochemistry 563
Haematology 564
Appendix 4 Glossary of Selected Terms 566
Index 573
A 573
B 575
C 577
D 580
E 581
F 582
G 584
H 585
I 588
J 589
K 589
L 590
M 591
N 592
O 594
P 594
Q 600
R 600
S 601
T 604
U 605
V 607
W 608
X 608
Y 608
Z 608