A 28-year-old nulliparous woman attends the family planning clinic requesting long-acting reversible contraception. She has no contraindications to hormonal methods. On examination, her uterus is normal size with no masses. She asks about both copper and hormonal IUCDs. After counselling on efficacy, side effects, and insertion technique, she chooses a levonorgestrel-releasing IUCD (LNG-IUD). What is the most appropriate immediate next step?