Can skin cancer spread through genital fluids?

Again, sorry for my ignorance about cancer.

Yes and No.

Many types of Cancers are not spread by Genital fluids. Slin to Skin cancers also do not spread due to exchange of genital fluids.

Only some like genetal viruses which are responsible for Genital Herps are responsible. Genital herpes is a sexually transmitted viral infection affecting the skin of the genitals.

HPV which is responsible for Cervical cancer is transmitted and spread through genetal fluids and genital warts.-

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Besides Cervical cancer, I don't think there are any other cancers that can.. And even cervical cancer doesn't spread through a sexual contact. Cervical cancer is a secondary disease. HPV is a sexually transmitted virus which might or might not cause Cervical cancer, whether a person gets one or not depends on his/her immune system and state of health, so even a person who gets an HPV through sexual contact, doesn't necessary will get a Cervical cancer.
Also, if someone has a cancer, their immune system might be weakened because of the drugs and chemo they might taken. Therefore, these people are more likely to have infections or sicknesses that might pass on through genital fluids.