does anyone know why after a c-section women aren't able to wear a tampon if needed, like to go lay…

does anyone know why after a c-section women aren't able to wear a tampon if needed, like to go lay by the pool or whatever? I can understand sex because it can get rough and lots of pressure, rubbing, sweat or what have you. I also wondered if any moms got permission to go to the tanning bed, and if so when? my doctors appointment isn't until July and I don't want to wait that long to start my long walks and tanning if I don't have to. My incision is closed, does any of this matter? Lol. Advice and opinions and facts please!