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Given below four methods (A - D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follows
Method
Mode of action
A
The Pill
1
Prevents sperms reaching cervix
B
Condom
2
Prevents implantation
C
Vasectomy
3
Prevents ovulation
D
Copper – T
4
Semen contains no sperms