What is the work of copper T :

What is the work of copper T :
A To inhibit ovulation
B To inhibit fertilization
C To inhibit implantation of blastocyst
D To inhibit gametogenesis

Detailed Solution

Copper T is an intrauterine device (IUD) placed in the uterus.
It causes a mild inflammatory reaction in the uterus and makes the uterus unsuitable for implantation, so a blastocyst cannot implant. This is the action given in the answer key.
The copper ions released also suppress sperm motility and their fertilising capacity.
It does not inhibit ovulation or gametogenesis.
So, as per the answer key, copper T acts to inhibit implantation of the blastocyst.

Contraceptive methods - IUDs in past papers

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Practise Contraceptive methods - IUDs All 3 questions This chapter in 2000 AIPMT