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Copper releasing $IUDs$ are used for suppressing the
Activity of ova
Activity of the uterus
Motility of the sperms
Motility of ova
Solution
Suppressing the mortality of sperm.
Intra Uterine Devices $(IUDs)$ for contraception
$(i)$ There devices are inserted by the doctors into the uterus through vagina.
$(ii)$ There are three types of $IUDs$
Non-medicated $IUDs$ They increases the phagocytosis of the sperm within the uterus, e. $g .$, Lippes loop
Copper Releasing $IUDs$ Along with phagocytosis of the sperms, the copper ions released, suppresses the sperm motility and the fertilizing capacity of the sperm. $e \cdot g ., Cu – T _{2} Cu -7$, multiload $-375$
Hormone Releasing IUDs They makes the uterus unsuitable for implantation and the cervix hostile to the sperms, e.g. progestasert, $LNG-20$
Similar Questions
Match List$-I$ with List$- II.$
| List$-I$ | List$-II$ |
| $(a)$ Vaults | $(i)$ Entry of sperm through Cervix is blocked |
| $(b)$ $IUDs$ | $(ii)$ Removal of Vas deferens |
| $(c)$ Vasectomy | $(iii)$ Phagocytosis of sperms within the Uterus |
| $(d)$ Tubectomy | $(iv)$ Removal of fallopian tube |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$
