Question

$CuT,LNG-20$ and $Cu-7$ are examples of

• A. Intra uterine device
  
• B. Monoclonal antibodies
  
• C. Surgical methods of sterilisation
  
• D. Assisted reproductive technology
  
• E. Contraceptive pills
  

Answer 1

The correct option is A Intra uterine device


Contraceptive pills :
Contraceptive pills are usually hormonal preparations such as estrogen, progesterone or a combination of both. They help in inhibiting ovulation and implantation. Examples: Saheli, Mala-D etc.

Surgical methods of sterilisation :
Surgical methods involve sterilisation of male or female partners and are used as the terminal methods to prevent further pregnancies. It includes vasectomy in males (vas deferens is cut and tied up) and tubectomy in females (fallopian tube is cut and tied up).

Assisted reproductive technology :
Assisted reproductive technology programme helps the couple to have children who cannot have children even after having unprotected coitus for $2$ years. Examples include test tube baby, artificial insemination, zygote intra fallopian transfer etc.

Intra uterine device :
Intra uterine devices (IUDs) are devices which are inserted in the uterus and prevent fertilisation of sperm and ovum. Examples include CuT, Cu7, multiload $375$, progestasert,
LNG-20 etc.

• CuT and Cu7 are copper-releasing IUDs
• LNG-20 is a hormone-releasing IUD

Monoclonal antibodies :
Monoclonal antibody is an antibody of unique specificity which is targeted against a particular antigen and derived from a single B cell clone.

Final answer :
(d) Intra uterine device