https://www.google.com/search?q=exercise+when+pregnant&client=opera&hs=DfH&channel=suggest&tbm=isch&tbo=u&source=univ&sa=X&ei=AA6SUp2oLo3LkAfu2IDYDQ&ved=0CHoQsAQ&biw=1341&bih=579&dpr=1
http://www.webmd.com/baby/guide/exercise-during-pregnancy
http://www.parents.com/pregnancy/my-body/fitness/
http://www.care2.com/greenliving/exercising-while-pregnant-could-boost-your-babys-brain.html#13854787937961&action=collapse_widget&id=7032797