O26: Maternal care for other conditions predominantly related to pregnancy

O26.3: Retained intrauterine contraceptive device in pregnancy

A coil is made of plastic and is T-shaped. It is coated with copper or certain female sex hormones. It can be placed in the uterus and is to prevent pregnancy. The uterus or womb sits in the pelvis and is pear-shaped. The narrower part extends downward into the vagina and is called the cervix. When a woman is pregnant, the child grows in her uterus.