Male Infertility Flashcards
What is male infertility?
infertility resulting from failure of the sperm to normally fertilise an egg
What are the 3 categories of causes associated with male infertility?
Idiopathic
Obstructive
Non-obstructive
Give examples of obstructive male infertility?
vasectomy
cystic fibrosis
infection
How is testicular volume measured?
orichidometer
what is the size of a pre-pubertal testicle?
1-3ml
What is the size of an adult testicle?
12-25ml
what is a testicular size of <5ml likely to indicate?
infertility
What is obstructive azoospermia?
normal clinical features
vas deferans may be absent
what is non-obstructive azoospermia?
decreased testicular volume
vas deferans present
increased LH/FSH