DIAPHRAGM AS A METHOD OF CONTRACEPTION
Tuesday, March 8th, 2011Invented in the mid-nineteenth century, the diaphragm was the first widely used birth control method for women. Prior to that time, most women had to rely on their male partners to use a condom or to withdraw the penis before ejaculation.
The diaphragm is a soft, shallow cup made of thin latex rubber. Its flexible, rubber-coated ring is designed to fit snugly behind the pubic bone in front of the cervix and over the back of the cervix on the other side. Diaphragms are manufactured in different sizes and must be fitted to the woman by a trained practitioner. The practitioner should also be certain that the user knows how to insert her diaphragm correctly before she leaves the practitioner’s office.
Diaphragms must be used with spermicidal cream or jelly. The spermicide is applied to the inside of the diaphragm before insertion. The jelly or cream is held in place by the diaphragm, creating a physical and chemical barrier against sperm. Additional spermicide must be applied before each subsequent act of intercourse, and the diaphragm must be left in place for six to eight hours after intercourse to allow the chemical to kill any sperm remaining in the vagina. When used along with spermicidal jelly or cream, it offers significant protection against gonorrhea and possibly chlamydia and human papilloma virus (HPV).
Using the diaphragm during the menstrual period or leaving the diaphragm in place beyond the recommended time slightly increases the user’s risk of developing toxic shock syndrome (TSS). This condition results from the multiplication of a type of bacteria that spreads to the bloodstream and causes sudden high fever, rash, nausea, vomiting, diarrhea, and a sudden drop in blood pressure. If not treated, TSS can be fatal. The diaphragm (as well as tampons left too long in place) creates conditions conducive to the growth of these bacteria. To reduce the risk of TSS, women should wash their hands carefully with soap and water before inserting or removing the diaphragm.
Another problem with the diaphragm is that it can put undue pressure on the urethra, blocking urinary flow and predisposing the user to bladder infections. A further disadvantage is that inserting the device can be awkward, especially if the woman is rushed. When inserted incorrectly, the effectiveness rate of the diaphragm decreases.
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