MCQ
Choose correct pair.
- AHormone releasing IUDs - lippes loop
- BHormone releasing IUDs - $Cu7$
- CHormone releasing IUDs - multiload $375$
- ✓Hormone releasing IUDs - $LNG 20$
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$(a)$ No enzyme at all
$(b)$ The normal/less efficient enzyme
$(c)$ $A$ non-functional enzyme