The cervical cap is contraceptive device. It is a soft rubber barrier that covers the cervix in order to prevent sperm from entering into the uterus. In addition, spermicide is added to kill any sperm that may bypass the cap.
The cervical cap is a smaller version of the diaphragm. and made of a non-allergenic, durable silicone material. It comes in three sizes and is fitted by your doctor, based on obstetrical history.
The cervical cap conforms to a woman's cervical anatomy and is designed to adapt to the physiological changes that occur during the menstrual cycle and intercourse.
Typical use, which is the average way cervical caps are used, reveals a failure rate of approximately 20%. This means that 20 people out of every 100 will become pregnant during the first year of use. You should take a pregnancy test if you are experiencing any pregnancy symptoms.
Unlike the diaphragm, most of the spermicide is put on the side of the cap facing away from the cervix. The cap can be worn for up to 48 hours.