A. The balance of salts and the amount of urine produced.
I would listen to her. Don't interrupt unless she allows you to. She is very sad at this time and needs someone to tell everything to. Don't say anything that might bring her down. Tell her postive things!
When you need to discrete, which typically comes as diarhhea if its severe. Hope this was helpful! (:
The body defends itself against pathogens by having a line of defense. These defenses include the skin, mucus, hairs, blood clotting mechanism and, of course, white blood cells