The correct option is
C An oral contraceptive for females
Oral Contraceptives
Oral contraceptive pills are usually hormonal preparations such as progestogens or progestogen-oestrogen combinations that are used as tablets for oral administration. These help in prevention of pregnancy by -
- inhibition of ovulation.
- inhibition of motility and secretory activity of fallopian tubes.
- changes in cervical mucus to not allow the passage and transport of sperms.
- making the uterine endometrium environment unsuitable for implantation.
Oral Contraceptives
Saheli is an oral contraceptive pill which is taken weekly and contains centchroman which is a non-steroidal oestrogen receptor modulator. It is a highly efficient contraceptive with very little side effects.
Final answer
(a) An oral contraceptive for females