Identify the correct match from the columns I, II and III:
Column I
(Contraceptive
method) Column II
(Mechanism) Column III
(Example)
1) Copper
releasing IUDs a) Prevent ovulation i) LNG-20
2) Hormonal
releasing IUDs b) Destroy sperms ii) Multiload 375
3) Daily oral pill c) Prevent
implantation iii) Lippes loop
4) Cu releasing IUD d) Suppress sperm motility iv) Multiload - 375

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answer is D.

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Detailed Solution

Copper releasing IUDs	suppress sperm motility and the fertilising capacity of sperms.	CuT, Cu7, Multiload 375
Hormonal releasing IUDs	make the uterus unsuitable for implantation and the cervix hostile to the sperms.	Progestasert, LNG-20
Daily oral pill	inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent/retard entry of sperms	Mala D, Mala N

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	Column I (Contraceptive method)		Column II (Mechanism)		Column III (Example)
1)	Copper releasing IUDs	a)	Prevent ovulation	i)	LNG-20
2)	Hormonal releasing IUDs	b)	Destroy sperms	ii)	Multiload 375
3)	Daily oral pill	c)	Prevent implantation	iii)	Lippes loop
4)	Cu releasing IUD	d)	Suppress sperm motility	iv)	Multiload - 375