Stephanie,
maybe you want to cut down the salt intake coz it'll cause cramps and water retention.
chewy,
hehee... abit of heels is ok. juz change to something comfy when u get to ur office. I used to waer my heels till full term and was driving when i was expecting my gal. Now, once a while i still do tt. Juz make sure after work get ur DH give ur leg a masssage.
Hope all is well. 3rd tri juz started for me too. today, i'm in my 28th wks. Heehee..... counting down.