How can I tell my boyfriend is using a condom with someone else ? We do not use any protection. I had a hysterectomy.

How do you know that he is even having sex with someone else?

If your concerned that he is cheating on you,maybe getting tested will help ease your mind..

If your OK with him cheating,then use condoms as well.

If your not OK with him cheating,well that's a different story...

But first of all,if you can answer jmjosephs question,that will help with any advice given.

OK,

You are OK if he is cheating as long as he uses condom??

There is no way to tell if your BF is using a condom with someone else, other than asking him.

Or, you could check his pockets, wallet, glove-box, and see if there are any unused ones.

Chlamydia, Herpes, HIV; use a condom all the time.

Yeah... you can tell if he wasn't if you catch any number of STD's from him. But not catching anything isn't proof he's using them. LUCK plays a part there.