The correct option is
A Oral female contraceptive
Saheli
Saheli - a non-steroidal oral contraceptive pill for females.
● It was developed by the scientists of Central Drug Research Institute (CDRI), Lucknow.
● It works by inhibiting implantation.
Surgical methods :
Surgical methods of contraception for females is called tubectomy.
● In tubectomy, a small part of the fallopian tube is removed or tied up through a small incision in the abdomen or through vagina.
● This prevents the movement of secondary oocytes from the fallopian tube to the uterus.
● This method is irreversible.
Diaphragms :
Diaphragms are the barrier methods of contraception made of rubber.
● They are inserted into the female reproductive tract to cover the cervix during coitus.
● They prevent the physical meeting of sperm and egg.
● They are available only for females and not for males.
Final answer :
a.) Oral female contraceptive