Is there a way to test male fertility or to see if sperm are swimming?

Not that I know of.

You can just look under a microscope if you know what you are doing. Just kidding

But a fertility doctor has the expert opinion.

It’s REALLY COMPLICATED!!!

from the link below:
“The characteristics measured by semen analysis are only some of the factors in semen quality. One source states that 30% of men with a normal semen analysis actually have abnormal sperm function. Conversely, men with poor semen analysis results may go on to father children.”

This is what they measure:
Sperm count
Sperm count measures how many sperm are in a man’s ejaculate. Anything over 20 million sperm per milliliter is considered normal. A vasectomy is considered successful if the sample is azoospermic, or if only rare non-motile sperm are observed (fewer than 100,000 per milliliter

AND:

Motility
Morphology
Volume
Fructose level
The pH

If you happen to have a decent enough microscope, I suppose you could check his sperm for yourself. But sperm are incredibly small cells. Don’t quote me on this, but I believe they’re far smaller than blood cells, which are already rather hard to see with the average student microscope.

NO! But why would you leave such a determination to anyone other than an expert? Sounds to me like you need to get a sperm test done, and the criteria for the sample are very specific. See your doc!

Well unless you have access to a high-powered microscope and a Phd. or a Enlarging Ray I’d have to say now sorry

NO
JUST GO TO DOCTOR
MORE ACCURATE
ASK FOR SPERM TEST
THEY TELL YOU EXACTLY WHAT IS GOING ON WITH HUBBY.
GOOD LUCK