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Questions  >>  JEEMAIN and NEET  >>  Biology  >>  Reproduction
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Intra Uterine Devices (IUDs) - copper releasing IUDs: (i) increase phagocytosis of sperms within the uterus (ii) the Cu ions released suppress sperm motility (iii) the Cu ions released suppress the fertilising capacity of sperms Regarding (i), (ii) and (iii):

( a ) All are correct
( b ) (iii) is incorrect; (i) and (ii) are correct
( c ) (ii) is incorrect but (i) and (iii) are correct
( d ) (i) is incorrect but (ii) and (iii) are correct

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