male infertility

A>disorders of spermatogenesis-
1)hormonal-
   -hypothalamic disorder
   -pituitary secretion of FSH&LH
   -hyperprolactinemia causing impotence or diminished libido
   -hypothyroidism,adrenal gland disorder,diabetes
2)primary testicular disorder-
   -idiopathic ,varicocele
    -klinfelter's syndrome
    -cryptorchism
    -drugs
    -radiation
    -orchitis
   -chronic illness
   -immunological dirorders
B>duct obstrtction-
   congenital absence,surgical trauma ,young's syndrome
C>accessory gland disorder-
  prostitis,versiculitis,congenital absence
D>disorders of sperm & vesicular fluid-sperm anti bodies,low fructose in seminal plasma,sperm acrosome dèfect ,zona penetration defect
E>sexual dysfunction-low freq coitus ,impotence,hypospodias,retrograde ejaculation
F>psychological& envirnmental factors-smoking ,alcohol ,tobacco,drugs like antihypertensive ,anti psychotic ,steroids