Copper-T is an intrauterine device (IUD) used for birth control. It is inserted into the uterus to prevent pregnancy by either blocking the sperm or preventing the fertilized egg from implanting.
Step 1: Ovary.
The ovary is the part of the female reproductive system where eggs are produced, but Copper-T is not fitted in the ovary. So, option (A) is incorrect.
Step 2: Oviduct.
The oviduct (also known as the fallopian tube) is the site where fertilization occurs, but Copper-T is not inserted here. Therefore, option (B) is incorrect.
Step 3: Uterus.
Copper-T is specifically inserted into the uterus, where it prevents pregnancy. This is the correct answer. So, option (C) is the correct answer.
Step 4: Vagina.
The vagina is part of the female reproductive system, but Copper-T is not inserted there. Therefore, option (D) is incorrect.
Step 5: Conclusion.
Copper-T is fitted in the uterus to prevent pregnancy. The correct answer is (C).