## **Core Concept**
Barrier contraceptives are a type of contraception that creates a physical or chemical barrier to prevent sperm from reaching the egg. Common examples include condoms, diaphragms, and cervical caps. These methods are crucial in preventing pregnancy and also offer protection against sexually transmitted infections (STIs).
## **Why the Correct Answer is Right**
The correct answer, , refers to the Intrauterine Device (IUD). An IUD is a small device inserted into the uterus to prevent pregnancy. It works by altering the uterine environment, making it inhospitable for sperm to fertilize an egg or for a fertilized egg to implant. IUDs are considered a form of long-acting reversible contraception (LARC) and are not classified as a barrier method.
## **Why Each Wrong Option is Incorrect**
- **Option A:** - Condoms create a physical barrier to prevent sperm from reaching the egg and are a classic example of barrier contraceptives.
- **Option B:** - Diaphragms are a type of barrier contraceptive that covers the cervix to prevent sperm entry into the uterus.
- **Option D:** - Cervical caps are another form of barrier contraceptive, similar to diaphragms but smaller and fitting more snugly over the cervix.
## **Clinical Pearl / High-Yield Fact**
A key point to remember is that while barrier methods are effective for contraception and provide STI protection, their effectiveness can be highly dependent on proper and consistent use. IUDs, on the other hand, offer long-term contraception with minimal user intervention once inserted.
## **Correct Answer:** . IUD (Intrauterine Device)
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
Access thousands of free MCQs, ebooks and daily exams.
By signing in you agree to our Privacy Policy.