Infertility!
When a man ejaculates, typically some 250 million sperm are released. To cause conception, a sperm cell has to swim all the way up from the vagina, through the cervix and uterus and into your fallopian tube to reach an egg which has been ovulated. Of those millions of sperm, only hundreds will make it up to the fallopian tubes. All of those sperm release an enzyme which helps clear the way to the egg. If all goes well, one sperm will swim up that pathway and fertilize the egg. The fertilized egg will move down the fallopian tube and travel to the uterus, where it can implant and grow.
Semen analysis is the first test a man will take when getting evaluated for fertility problems. It involves testing a sample of a man’s semen to estimate how many sperm there are (total count), what percentage of the sperm are moving (motility) and if they have a normal shape (morphology), according to the American Society for Reproductive Medicine (ASRM). Concentration of sperm per milliliter of semen is one of the measures. Total sperm count multiplies the concentration by the volume of semen in the sample.
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