Among the following methods, which one has the highest failure rate ?

Options

A. Diaphragm with spermicide
B. Condom
C. Intra-uterine device
D. Rhythm method

Answer

To determine which method among the given options has the highest failure rate, we can follow these steps:

### Step 1: Understand the Methods
Identify the various contraceptive methods mentioned in the question. Common methods include:
- Condoms
- Diaphragm
- Intrauterine devices (IUDs)
- Rhythm method (calendar-based method)

### Step 2: Analyze the Failure Rates
Research or recall the effectiveness of each method. Generally, the failure rates are as follows:
- **Condoms**: Approximately 15% failure rate with typical use.
- **Diaphragm**: Approximately 12% failure rate with typical use.
- **IUDs**: Less than 1% failure rate.
- **Rhythm method**: Approximately 24% failure rate with typical use.

### Step 3: Compare the Failure Rates
From the analysis:
- The rhythm method has the highest failure rate at about 24%.
- Other methods like condoms and diaphragms have lower failure rates, while IUDs have the lowest.

### Step 4: Conclusion
Based on the comparison, the method with the highest failure rate is the **rhythm method**.

### Final Answer
The method with the highest failure rate among the options provided is the **rhythm method**.

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