Barrier methods pregnancy को कैसे prevent करते हैं?
How do barrier methods prevent pregnancy?
Explanation opens after your attempt
A. Sperm और ovum के मिलन को रोककर / By preventing meeting of sperm and ovum
Concept
Identify the concept: this is the mechanism of barrier methods.
Why this answer is correct
Barrier methods make a physical block so sperm cannot reach the egg.
Exam Tip
Exam tip: barrier means physical block.
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