A 19-year-old (G2P1001) female at 354/7 weeks EGA presents for a routine prenatal visit. Her pregnancy has been uncomplicated. She reports good fetal movement and denies vaginal bleeding, loss of fluid, or contractions. She is excited about the arrival of her baby and is planning to breast-feed. Her past medical history is significant for chlamydia that was treated approximately 1 year ago. She is otherwise healthy. Her blood pressure today is 110/60. Fundal height is appropriate. UA is negative.

The patient would like to discuss options for postpartum birth control.

Which of the following would be an appropriate and effective option for postpartum birth control for this patient?