No, crabs.
the dark red spots in panties are the periods (the monthly bleeding from a women's womb)
There are many products on the market for dark spots on skin. Sperm is not a component of any of these.
That depends on what the black spots are.
dark yellow with black spots
If they are small black spots on the cat's chin, it could be acne. If this is the case, and your cats eats out of plastic bowls, change over to glass, ceramic or metal.
A black Jaguars spots are so hard to see because the spots are also black so they blend into the fur.
A Dalmatian has black spots and white skin
those black spots are black heads caused from to much oil in the ears
black spots
spots
Cheetah spots are typically black on a golden yellow to tawny fur background. The spots help the cheetah camouflage in its natural habitat, allowing it to blend in with the grasslands and bushes where it hunts. The unique pattern of spots on each cheetah is like a fingerprint, with no two cheetahs having the exact same spot pattern.
Chlamydia is not known to cause black spots on your body.