If you use a hormonal method of birth control, you may gain weight. Then again, you may not. Your doctor can't tell you. In fact, you could be the best expert on this weighty matter.
On my radio show I give out an award called the “Wish You Were Here Award.” It is an award given to people who are so far off in their understanding of nutrition that they are sent a postcard with a picture of the earth on one side with the phrase “Wish You Were Here” written on the back.