SFA - Sperm Functional Assessment

SFASemen Analysis provides basic information like;

  • Semen Volume
  • Sperm Concentration (Sperm count)
  • Sperm Motility (sperm movement)
  • Normal sperm percentage (morphology based)

However, this basic information is not sufficient & to reduce the risk of cycle failure due to bad sperm additional specialised tests are needed to access sperm quality.

What does the Sperm Functional Assessment (SFA) evaluate?

  • Detailed breakdown of the different grades of sperm motility, particularly sperm with rapid progression
  • Mean number of defects per abnormal sperm to provide another dimension of looking at the % of normal sperm morphology
  • Recovery of sperm, with rapid progression, from the semen sample available for potential assisted conception.
  • how well the sperm will swim through mucus secreted by the cervix, the initial barrier to entry to the uterine cavity and the fallopian tube to reach the egg
  • whether there are antisperm antibodies coating the surface of the sperm that might impede this process
  • If the sperm can penetrate the egg.

After evaluating Female factors this critical information is used for decision make;

  • To proceed with Natural timed cycle along with Advance ovulation study
  • To perform Advance IUI
  • To opt for IVF or ICSI or IMSI 
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