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medium importancemedium difficulty5 min

Contraception

Contraception means the methods used to prevent pregnancy by stopping fertilisation or preventing implantation.

In one line: Contraception means control before conception.

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Understand it

Contraceptive methods work in different ways. Some prevent sperm from reaching the egg, some stop the egg and sperm from meeting, and some prevent the fertilised egg from fixing itself in the uterus. In Class 10, students should know the broad types and why they are used.

Example

A condom acts as a barrier method and helps prevent sperm from entering the female reproductive tract.

Rule to remember

Contraception prevents pregnancy by blocking fertilisation or implantation.

See it worked out

Follow the example line by line, then use the same method on new questions.

Worked example

  1. 1If a couple uses a condom correctly, sperm cannot enter the female reproductive tract easily, so fertilisation is less likely to happen.
  2. 2That is a contraceptive effect.

Method you can reuse

  1. 1Check whether the method is used to prevent pregnancy.
  2. 2Decide whether it blocks sperm, stops fertilisation, or prevents implantation.
  3. 3Name it as a contraceptive method.
  4. 4Give one suitable example.

Visual tip

A simple comparison chart of barrier, hormonal, and surgical methods is useful for revision.

Check yourself

Answer the question in your head before opening the answer.

Try it yourself

A method blocks sperm from entering the female reproductive tract. What is the purpose of this method?

Think first, then show answer
The purpose is contraception. It helps prevent pregnancy by stopping sperm from reaching the egg and reducing the chance of fertilisation.

Common wrong answer

A common wrong answer is abortion.

Why it loses marks: Contraception aims to prevent pregnancy, not end an existing one.

Don't mix this up

Students sometimes think contraception means abortion. That is incorrect because contraception is about preventing pregnancy before it starts.

Exam tip

When the question asks about preventing pregnancy, think of barrier methods, hormonal methods, and safe reproductive choices.

Write it in the exam

Each point is worth about one mark. Write point 1 for a 1-mark question and keep adding points as the marks go up.

How CBSE asks it

Questions may ask to define contraception, name a barrier method, or explain how contraception helps in family planning and reproductive health.
  1. 1

    Enough for 1 mark

    Contraception means the methods used to prevent pregnancy by stopping fertilisation or preventing implantation.

  2. 2

    Add for 2 marks

    Example: A condom acts as a barrier method and helps prevent sperm from entering the female reproductive tract.

  3. 3

    Add for 3 marks

    Contraceptive methods work in different ways.

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