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3.Reproductive Health
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Which of the following statement is not correct about oral contraceptive pills?
A
They have to be taken daily for a period of $21$ days, starting preferably within the first five days of menstrual cycle
B
They contain small doses of progestogen-estrogen combination
C
They inhibit ovulation and implantation
D
Ovum and sperms are prevented from physically meeting with the help of barriers
Solution
Oral contraceptives are preparations containing either progestin alone or both progesterone and oestrogen. They do not involve physical barriers.
Standard 12
Biology
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