- AActivity of ova
- BActivity of the uterus
- ✓Motility of the sperms
- DMotility of ova
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, $LNG-20$
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A drug used for ...$A$... patients is obtained from a species of the organism ...$B$.... It helps in clearing blood clots inside the blood vessels.
The one correct option for the two blanks are