Find out correct choice for Cu based $IUDs$
$I$. Increases phagocytes of sperms
$II$. Releases $C u^{2+i i}$ ions that suppresses the sperms motility and fertilizing capacity of sperms
$III$. Make the uterus unsuitable for implantations
$I$, $II$ and $III$
$I$ and $II$
Only $I$
None of the above
Give scientific reasons : Pills taken orally prevents pregnancy.
Which $IUD$ increases the phagocytosis of the sperms within the uterus?
Which of the following is incorrectly matched?
Progestasert and $LNG-20$ are the examples of
Which of the following is an additional advantage of hormone releasing $IUDs$?