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Health Information and Tools > Cancer and Sexuality > Male sexuality and cancer > Overview of erection problems >  Male Sexuality and Cancer: External Penile Prosthesis

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Male Sexuality and Cancer: Erection Problems

External penile prosthesis

Using an external penile prosthesis for intercourse means using a dildo (an object shaped like an erect penis) that sits in a pelvic harness. The pelvic harness holds the dildo on just like an erect penis, right above the soft penis. You can then have penetrative sex using the dildo. You can buy dildos and pelvic harnesses at adult sex stores or online.

Research shows that many people find using external prostheses for intercourse very satisfying. There are no risks with this type of intercourse, but this option might not be right for everyone.

To use an external penile prosthesis, after putting on the harness and dildo, get into a position just like you would for regular penetrative sex. Thrust just like you would for insertive sex. Your partner can get pleasure directly from this type of intercourse, but your soft penis will need to be stimulated to feel pleasure in the penis. If your soft penis is caressed with your partner’s lubricated hand, for example, you can have an orgasm. Having your penis stimulated while doing the same pelvic movements as with penetrative sex can make it pleasurable if you are wearing the prosthesis and many people say this feels just like regular sex. With the right stimulation and the muscle memory of pelvic movements during sex, a person can actually make the brain think that it’s having penetrative intercourse. If you have questions about this, talk to your healthcare provider.

Tips for having sex with an external penile prosthesis

  • Talk about these ideas with your partner ahead of time. Make sure to talk about your comfort level and worries you might have.
  • Make sure you and your partner are both willing to explore a new way of being sexual.
  • Go to the adult sex store together or go online together to buy these products.
  • When stimulating the soft penis, use a water-based lubricant.
  • Try different positions for sex to find what’s most comfortable for you and your partner.
  • Be open to trying new things. Even if you decide you don’t want to try them again, you’ve bonded with each other over trying something new.​​

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