Hormone releasing $IUDs$ among the following are

What is true about 'Saheli'?
$I$. Developed at $CDRI$,Lucknow
$II$. Contains a steroidal preparation
$III$. 'Once-a-week' pill
$IV$. Many side effects
$V$. High contraceptive value
$VI$. Very few side effects
$VII$. Low contraceptive value

Match the following methods $(A-D)$ with their mode of action $(i-iv)$ for contraception and select the correct option:

Method	Mode of Action
$(A)$ Pills	$(i)$ Prevents sperm from reaching the cervix
$(B)$ Condom	$(ii)$ Prevents implantation
$(C)$ Vasectomy	$(iii)$ Inhibits ovulation
$(D)$ Copper-$T$	$(iv)$ Semen contains no sperm

Find out the correct aspects of lactational amenorrhoea.
$I$. Ovulation does not occur during the lactational period.
$II$. Chances of the failure of contraception are almost nil up to six months following parturition.
$III$. Side effects are almost nil.
$IV$. It is a natural method of contraception.
$V$. It increases phagocytosis of sperms.

Oral contraceptive pills contain:

Which of the following functions are true for copper ions released by copper-releasing $IUDs$?
$I -$ Suppress sperm motility
$II -$ Inhibit the fertilizing capacity of sperms
$III -$ Make the uterus unsuitable for implantation
$IV -$ Make the cervix hostile to sperms