Whether the condom is left in the body can be confirmed by checking the condom, internal gynecological examination, and ultrasound examination. 1.Check the condom: check whether the condom is intact, if it is intact and not broken, it means there is no left inside the body. If there is a rupture of the condom, the rupture can be put back together, if there is a gap, you can look carefully in the discharge, vaginal opening and excrement, if no fragment exists, it means that part of the condom may be left in the vagina, and you need to go to the hospital to seek the doctor’s help; 2.Gynecological internal examination: the doctor can inspect the vagina by using a speculum, and you can observe whether there is any condom left in the vagina; 3.B ultrasound: ultrasound can be used to determine Ultrasound: Ultrasound can be used to determine the exact location of the condom left behind. If the condom is left in a shallow position, it can be removed by hand after cleaning the hand, if it is left in a deep position, it needs to be removed by a doctor using special instruments. However, it is important to note that condoms left in the vagina may cause semen to come out, thus causing the contraceptive to fail.