Effectiveness Against Pregnancy Twenty out of 100 women who use the diaphragm will become pregnant during the first year of typical use. Six will become pregnant with perfect use. Twenty out of 100 women who have never given birth and use the cervical cap will become pregnant during the first year of typical use. Nine will become pregnant with perfect use. Twenty will become pregnant with perfect use.
Perfect use refers to failure rates for women whose use is consistent and always correct.
Protection may be increased by making sure the cervix is covered before every act of intercourse using a fresh application of spermicide if intercourse is repeated using a condom How To Get Them A pelvic examination is necessary. Health care providers must determine the correct size. They also provide information about use, insertion, and removal. Most women can be fitted with diaphragms or cervical caps. Diaphragms are available in many sizes and designs.