Medical termination with pills is a recognised option at 7 weeks, and it generally works well this early when done properly. It has to happen under a doctor's supervision though, with a follow up scan or test to confirm it is complete. This is not something to do alone at home without medical support.
Next Steps
Please see a gynaecologist soon to get this started under proper supervision, since the right medicines and schedule depend on your health history. Cost varies by city and clinic, so your gynaecologist can give you an accurate estimate in person.
Health Tips
Go to a hospital urgently if you get very heavy bleeding, soak more than two pads an hour, or have ongoing pain, since an incomplete termination needs prompt medical attention.