Salted Peanuts. While peanuts won't necessarily cause you to gain fat, the salted variety can contribute to temporary water weight gain when they are part of a high-sodium diet. An extra 400 milligrams of sodium leads to 2 pounds of water weight -- and a serving of salted peanuts has almost 200 milligrams of sodium.
Castor Oil starts the diarrhea two to six hours after drinking the oil. The contractions should begin shortly after that. Some midwives and mothers swear on this method and have repeatedly used this to conclude an overdue pregnancy.
If you are 40 weeks and showing signs of labor, castor oil may work for you. You will want your cervix to be soft and thinning. If you have begun to dilate and efface already, this will increase your chances of castor oil being effective at labor induction.