How to determine the presence of condoms in the body, first of all, you can use self-checking methods, such as squatting down, with a finger into the vagina, to see if there is a foreign body at the top, if there is a foreign body, it may be a condom, you can use the hand gently pull it out. However, sometimes the finger is relatively shorter than the back of the vaginal vault, because the back of the vaginal vault can be up to 10cm-13cm in length. the safest way is to go to the hospital for examination, so that the doctor can open the vagina with a speculum under the state of visualization, and see whether there is a condom in the vagina at a glance. If there is, just remove it. If a condom falls in the vagina, it is usually fine for a few days, but if it is inconvenient, you can go back to the hospital a few days later to have it removed.