Home
Class 12
BIOLOGY
Define Contraception. Explain two method...

Define Contraception. Explain two methods of it in brief.

Text Solution

Verified by Experts

Contraception. The deliberate use of artificial methods or other techniques to prevent pregnancy as a result of sexual intercourse.
The major forms of artificial contraception are
(a) Barrier method e.g., condoms.
(b) Contraceptive pills
(c) IUDS, (Intra uterine Devices)
(d) Male or female sterilisation etc.
1. Intra Uterne Device (IUDs). Different types of IUDs are presently available such as th non-medicated IUDs (e.g., Lippes loop), copper releasing IUDs (CUT, CU 7, Multiload 375) and the hormone releasing ones (Progestasert, LNG-20).
Functions. IUDs increase phagocytosis of sperms within the uterus and the Cu ions released by some suppress sperm motility and the fertilising capacity of sperms. The hormone releasing IUDs, in addition, make the uterus unsuitable for implantation and the cervix hostile to the sperm
Advantages. IUDs are ideal contraceptives for the females who want to delay pregnancy and or space children. It is one of most widely accepted method of contraception in India.
2. Contraceptive pills. Oral pills contains progesterones and oestrogen which prevent ovulation Combined pill, Mala D and Saheli are the common pills used.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTIVE HEALTH

    BETTER CHOICE PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS|10 Videos
  • REPRODUCTIVE HEALTH

    BETTER CHOICE PUBLICATION|Exercise MOST EXPECTED QUESTIONS|26 Videos
  • REPRODUCTIVE HEALTH

    BETTER CHOICE PUBLICATION|Exercise MOST EXPECTED QUESTIONS|26 Videos
  • REPRODUCTION IN ORGANISMS

    BETTER CHOICE PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS (5 MARKS)|11 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    BETTER CHOICE PUBLICATION|Exercise MOST EXPECTED QUESTIONS|20 Videos

Similar Questions

Explore conceptually related problems

Explain any two methods of forest conservation?

Define vegetative propagation. Explain artificial methods of vegetative propagation.

Explain Van Arkel method.

Explain any three methods of vectorless gene transfer.

Explain any three methods of vectorless gene transfer.

BETTER CHOICE PUBLICATION-REPRODUCTIVE HEALTH-SHORT ANSWER TYPE QUESTIONS
  1. What is test tube baby ? What is the significance of test tube baby?

    Text Solution

    |

  2. What is amniocentesis ? What is the major disadvantage of amniocentesi...

    Text Solution

    |

  3. Amniocentesis the foetal sex determination test is banned in our coutn...

    Text Solution

    |

  4. Explain : Amniocentesis and its significance

    Text Solution

    |

  5. Explain : Surgical methods of birth control

    Text Solution

    |

  6. What is STDS? Write their causative agents.

    Text Solution

    |

  7. What is AI? Give its significance.

    Text Solution

    |

  8. A particular technique helps to diagnose genetic disorder in a foetus....

    Text Solution

    |

  9. Why there is inequality of sexes in human population?

    Text Solution

    |

  10. Name two STDs? Write a note on any one of them.

    Text Solution

    |

  11. Suggest some control measures for the growth of human population in In...

    Text Solution

    |

  12. Define Infertility. Give two causes of infertility. Name two ART's to ...

    Text Solution

    |

  13. What is meant by Reproductive health? List some measures implemented b...

    Text Solution

    |

  14. What is STD's ? Name two STD's.

    Text Solution

    |

  15. What are the main reasons for population explosion ?

    Text Solution

    |

  16. What are the consequences of over population ?

    Text Solution

    |

  17. What are STDs? Describe the mode of transmission of STDs. How can they...

    Text Solution

    |

  18. Define Contraception. Explain two methods of it in brief.

    Text Solution

    |

  19. Define infertility. Explain two ARTs to check the problem of infertili...

    Text Solution

    |

  20. Define artificial insemination. What is the significance of this metho...

    Text Solution

    |