The chemical method of contraception includes
Jellies only
Creams and foams only
Oral contraceptives only
All of the above
Natural methods of contraception work on the principle of avoiding chances of ovum and sperm meeting. It includes
$A.$ Periodic abstinence
$B.$ Withdrawal
$C.$ Coitus interruptus
$D.$ Lactational amenorrhoea
$A$ sterilisation technique in females which blocks gamete transport and thereby prevents conception is
....... IUDs, in addition, make the uterus unsuitable for implantation and the cervix hostile to the sperms.
$Cu$ ions released from copperreleasingintrauterine devices $(IUDs)$
Choose the correct option for $A, B, C$ and $D$