Only if it is dried up & staining on your red dress.
The man's semen can be analyzed in a lab to see the viability of his semen.
There are tests men can take at a doctors office. Various tests are available. Sperm count can be done to see the quantity present in semen (low sperm count can be a sign of disease and infertility). The quality of the semen can also be tested.
old blood in the semen, usually due to straining while having a bowel movement or injury to testcles. If this continues, see a doctor, but usually clears up on it's own.
No. Diabetes does not alter the taste of semen. Please see related question.
Black lumps in the semen is probably not a good sign because it might be blood. This may be a sign that something is wrong and you should see a doctor immediately. Cause for blood in the semen could be linked to disease or recent trauma to the genitals. So, go see your doc and find out what is is.
Have you had anal sex with another man who ejaculated inside you? That could be the source of the semen you are seeing. However, if you have not had anal sex, then what you are seeing is not semen and could be indicative of a problem, so best go see your doctor ASAP.
You may have an infection. see a doctor.
I highly doubt it. Sounds like there is blood in it. He should see a doctor.
Semen
By getting bred by a bull or having an AI tech insert bull semen into her uterus. See the related question below for more information.
Simply, no. Unless you dye the pool red, then the semen will glow.
In the state of Maryland what happens if a man wants to sign over his parental right because he never gets to see the child?