Why Is Douching Ineffective in Preventing Pregnancy

question 31

Multiple Choice

Why is douching ineffective in preventing pregnancy?

• A) Seminal fluid sticks to the vaginal walls, preventing sperm from being killed.
• B) It may push sperm through the cervix faster than had a person not douched.
• C) Semen is an acid-like substance that counteracts the effects of douching.
• D) Douching kills bacteria that helps sperm swim to the fallopian tubes.

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Definitions:

Experimental Design

A plan for conducting an experiment to ensure that it can test hypotheses effectively while minimising errors or bias.

Teaching Methods

Various strategies, techniques, and approaches employed by teachers to facilitate student learning and understanding.

Ability Level

A measure of a person's competency or skill set in a particular area.

Randomized Block Design

An experimental design in which subjects are divided into blocks or groups that are similar and then randomly assigned to different treatments.