Re: 7th Month ankle/feet swelling
Your friend is going to have a serious problem with swelling if it's already that bad. My feet are always swollen, except I'm due any day. It's normal to swell through out pregnancy, but at 7 months, I'd say that's a little extreme, because I didn't get that way until a few weeks ago and my doctors were a little concerned even then.
She obviously isn't drinking enough water. She should be drinking at least 5 bottles of water a day. That's somewhere around 64 fl oz. Also, even though this might be hard, she needs to cut down on the salt. I wouldn't recommend eating things like popcorn, salted peanuts, vinegar dressings, chips, ect.
Other then that yes she needs to keep her feet up when possible. If she works at a desk then she can buy a cheap foot stool or put a couple phone books under her feet.