A 36-year-old woman, 6 weeks postpartum and breastfeeding, seeks contraception. She has no contraindications to oestrogen and would like an effective reversible method. Which option is most appropriate?AA progestin-only method such as a levonorgestrel intrauterine systemBCombined oral contraceptive started immediately after birthCNo contraception as breastfeeding is fully protectiveDA transdermal oestrogen patchEEmergency contraception only after unprotected intercourseCheck my answer