Maternity clothing can be an expensive investment for the short amount of time you actually wear them. Sometimes you may know somebody your size who will loan or give you their maternity clothes. A lot of second hand shops will have maternity clothing for sale. Watch your newspaper classifieds for yard sales with maternity clothing for sale. These work real well as maternity clothes and are very comfortable.
Bra sizes are extremely hard to guess at.
It's not uncommon to increase a shoe size while pregnant. During pregnancy the feet swell. This should be something you are already taking daily. Prenatal vitamins are a vital part of a healthy pregnancy. If there's ever a time in your life when naps would be extremely beneficial it's during pregnancy.