It Takes a couple of days to refill the epididymis with sperm, so when you test far too shortly, it might present a reduced sperm count, which may be inaccurate. Many labs use Kruger "strict " conditions (developed in South Africa) for judging sperm normality. Only sperm which are "perfect" https://dna-test-in-delhi60470.signalwiki.com/836729/the_best_side_of_sperm_count_test