Find out the correct choice for Cu-based IUDs | vedclass

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(B) Copper-releasing $IUDs$ (like $Cu-T$,$Cu-7$,$Multiload-375$) function through the following mechanisms:$1$. They increase the phagocytosis of sper

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$I$ and $II$

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(B) Copper-releasing $IUDs$ (like $Cu-T$,$Cu-7$,$Multiload-375$) function through the following mechanisms:$1$. They increase the phagocytosis of sperms within the uterus.$2$. They release $Cu^{2+}$ ions,which suppress the sperm motility and the fertilizing capacity of the sperms.Statement $III$ refers to the mechanism of hormone-releasing $IUDs$ (like $Progestasert$,$LNG-20$),which make the uterus unsuitable for implantation and the cervix hostile to the sperms.Therefore,only statements $I$ and $II$ are correct for $Cu$-based $IUDs$.

Find out the correct choice for $Cu$-based $IUDs$.
$I$. Increases phagocytosis of sperms.
$II$. Releases $Cu^{2+}$ ions that suppress the sperm motility and fertilizing capacity of sperms.
$III$. Make the uterus unsuitable for implantation.

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Find out the correct choice for $Cu$-based $IUDs$.$I$. Increases phagocytosis of sperms.$II$. Releases $Cu^{2+}$ ions that suppress the sperm motility and fertilizing capacity of sperms.$III$. Make the uterus unsuitable for implantation.