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3.Reproductive Health
medium
Contraceptive pills are very effective with lesser side effects used by females. They work by
A
Inhibiting ovulation
B
Inhibiting implantation
C
They alter the quality of cervical mucus to prevent/retard the entry of sperms
D
All of these
Solution
Failure rate of oral contraceptive is $2-3$ per $100$ women
Standard 12
Biology