Sex after novasure ablation. You may shower when you feel comfortable. This includes prescriptions, over-the-counter medicines, and herbal supplements. Endometrial Ablation Instructions. Jin-bo Li, M. Your healthcare provider will tell you when to return for more treatment or care. Layout table for location contacts Contact: Tell your healthcare provider if you have had a bleeding disorder. This is one of the most commonly performed types of endometrial ablations in the world. Primary Outcome Measures: Pain Management Cramping is a common side effect for the next few days. A disadvantage is that it requires the tissue to be cut which may cause bleeding from the blood vessels in the muscle layer. General or Intravenous anesthesia agents can remain in your body for up to 24 hours.