Your hospital should give you instructions about fasting before the Operation.

http://www.patient.co.uk/health/laparoscopy-and-laparoscopic-surgery

When the surgeon or gynaecologist has finished, the laparoscope and other instruments are removed. The incisions are stitched and dressings are applied.

What preparation do I need to do?

As you will usually be under a general anaesthetic, your hospital should give you instructions about fasting before the operation. Depending on the reason for your operation, there may be more specific instructions. Your doctor will give you this information if necessary.