Janine is 33 years old and is 8 weeks post-partum. She is exclusively breast feeding and wants to be started on a form of contraception. Past medical history includes Asthma. She has a family history of breast cancer and is known to be a carrier of the BRCA-2 gene. She is a non-smoker and her BMI is 28.
Which one of the following contraception options would be most suitable?