A contraceptive device that is implanted in the patient, NorplantĀ® provides birth control by releasing active agents over time. NorplantĀ® has been associated with side effects such as irregular menstrual bleeding, headache, nervousness, depression, nausea, dizziness, skin rash, acne, change of appetite, breast tenderness, weight gain, enlargement of the ovaries, and excessive growth of body or facial hair.