NO MASSAGE IN THE FIRST TRIMESTER... but...She needs to keep her feet elevated once she gets bigger b/c the blood flow back up the legs gets impeded by the baby. If she keeps her feet elevated it'll reduce varicose veins in her legs. Rub her feet and legs gently to help with that and also a lot of back/lower back massage.
Once she hits her 2nd and 3rd trimester massage will help keep her relaxed and help her ligaments and muscles relax too..
BTW watch out for severe mood swings with the first ....
The first time you see the baby its all over... and when they hug you, and tell you they love you for the first time it is amazing..
Good Luck!! It's a wild ride!