Polycystic Ovarian Syndrome Flashcards
What is polycystic ovarian syndrome (PCOS)?
It is defined as a condition in which there is ovarian dysfunction, resulting in the formation of multiple ovarian cysts
What are ovarian cysts?
They are defined as immature follicles arrested in their ovulation phase
What is the most common endocrine disorder affecting women of a reproductive age?
Polycystic ovarian syndrome
Describe the pathophysiology of polcystic ovarian syndrome
There is increased androgen production, which is either due to increased luteinising hormone production or hyperinsulinemia/insulin resistance
What four risk factors are associated with polycystic ovarian syndrome?
Family History
Premature Adrenarche
Diabetes Mellitus
Obesity
What is premature adrenarche?
It is defined as early onset of pubic hair
What is the inheritance of polycystic ovarian syndrome?
Autosomal Dominant
What are the nine clinical features of polycystic ovarian syndrome?
Oligomenorrhoea
Amenorrhoea
Subfertility
Hirsutism
Acne Vulgaris
Acanthosis Nigricans
Low Mood
Weight Gain
Hypertension
What are the two clinical features of hyperandrogenism in polycystic ovarian syndrome?
Hirsutism
Acne Vulgaris
What is the most common clinical feature of polycystic ovarian syndrome?
Hirstuism
What is hirsutism?
It is defined as excessive hair growth, which tends to affect the face, chest and back
What is acanthosis nigricans?
It is defined as a dermatology condition in which there is dark discoloration in the body folds and creases
What two investigations are used to diagnose polycystic ovarian syndrome?
Blood Tests
Pelvic Ultrasound Scan
What eight blood test results indicate polycystic ovarian syndrome?
Increased Testosterone Levels
Normal/Decreased SHBG Levels
Increased Testosterone: SHBG
Increased LH Levels
Normal FSH Levels
Increased LH: FSH > 3
Normal/Increased Prolactin Levels
Increased Glucose Levels
What are the three features of polycystic ovarian syndrome on pelvic ultrasound scans?
Ovarian Follicles > 12
Ovarian Volume > 10cm3
String of Pearls Appearance