Please choose the correct ending to complete the given sentence: Health: [header] How to insert a diaphragm [title] Wash your hands. [step] Always touch and handle the diaphragm with clean hands. Your hands contain bacteria and washing them before inserting a diaphragm ensures that your vagina stays clean.

Ending1: If your hands are dirty, you will ruin the development of your baby. [substeps] Make sure that you are not wearing a condom, otherwise, you could spread bacterial starch in between your fingers and causing a prolapse. Ending2: It also helps to keep genital area clean of bacteria. [title] Place the diaphragm inside your mouth. Ending3: Pay particular attention to your hands when proceeding with diaphragm use. [substeps] Grab your fingers in between your middle and ring fingers. Ending4: [substeps] Wash your hands with warm water and soap. Be sure to dry them before touching the diaphragm.

Answer format: ending1/ending2/ending3/ending4