Causes of subfertility

The most common causes of subfertility include:

  • Sperm-relates deficiencies (concerning the concentration, motility and morphology of spermatozoa)
  • Ovulation disorders
  • Hostile behavior of cervical mucus and cervical disorders
  • Uterine disorders
  • Abnormalities of the fallopian tubes (obstruction or adhesions)
  • Endometriosis
  • Increased age of woman
  • Lifestyle (smoking, alcohol consumption, working environment)
  • Unexplained sub/infertility, which occurs in a considerable percentage (25-30%) of subfertility cases