Can you still have kids if you get internal radiation for cervical cancer?

if you only get 2 treatments can you still get pregnant in the future?

Before the radiation they have to make you ovulate and freeze as many fertile eggs they can (fertilized or unfertilized) for later use.
Another possibility is to freeze some of the ovary tissue for later re-implantation.
It may be possible that if the radiation is not directed to the ovaries, you may still get pregnant naturally in the future, however, there is a risk involved.

You should speak to your oncologist as well as your gyno to be sure, but I reason to say no. Radiation therapy kills eggs.

Before starting your treatment, if you have the time and the means, frozen embryos will be the best way to go.

It's possible. However, you should discuss your concerns with your doctor or seek out a fertility specialist. There is also a website that may be able to give you valuable information. It is a non profit site that deals with cancer and infertility issues:

Fertile Hope
http://www.fertilehope.org/

Best to you.