Adiaphragmis a type ofbarrier contraception, meaning it works by physically blocking sperm from reaching the egg. It is a shallow, flexible cup that is placed inside the vagina to cover the cervix before sexual activity. Barrier methods reduce the chance of pregnancy by preventing sperm from entering the uterus. Diaphragms are often used withspermicideto increase effectiveness, and correct use (proper placement and timing) is important for best results.
The other options are not barrier methods. AnIUD(intrauterine device) is placed in the uterus and works through different mechanisms depending on type (copper or hormonal), but it does not function as a barrier placed over the cervix.The pillandthe patcharehormonal contraceptives. They mainly prevent pregnancy by suppressing ovulation (preventing release of an egg) and by changing cervical mucus and the uterine lining.
In physical and reproductive health education, contraception is often categorized by method type: barrier (condoms, diaphragm, cervical cap), hormonal (pill, patch, ring, injection, implant), and intrauterine (IUD). It’s also important to understand protection differences: many barrier methods (notablyexternal and internal condoms) can reduce risk of sexually transmitted infections, while most non-barrier hormonal and intrauterine methods do not protect against infections. This is why education often emphasizes choosing methods based on pregnancy prevention goals, health considerations, and whether STI protection is needed.
So, among the choices listed,the diaphragmis clearly the barrier contraceptive.
