Match the following columns regarding the typ | vedclass

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(A) The classification of $IUDs$ is based on their mechanism of action and composition:$1$. First generation $IUDs$ are non-medicated (e.g.,Lippes loo

Vedclass · Accepted Answer

$a-r-w, b-p-x, c-q-y$

Vedclass · Answer

(A) The classification of $IUDs$ is based on their mechanism of action and composition:$1$. First generation $IUDs$ are non-medicated (e.g.,Lippes loop). They have lower contraceptive efficacy compared to newer generations and act by causing a foreign body reaction in the uterus. Thus,$(a-r-w)$.$2$. Second generation $IUDs$ are copper-releasing (e.g.,$CuT$,$Cu7$). They release metal ions that suppress sperm motility and fertilizing capacity,showing high efficacy. Thus,$(b-p-x)$.$3$. Third generation $IUDs$ are hormone-releasing (e.g.,Progestasert,$LNG-20$). They alter the uterine lining (endometrium) to make it unsuitable for implantation and thicken cervical mucus. Thus,$(c-q-y)$.Therefore,the correct match is $(a-r-w), (b-p-x), (c-q-y)$.

Column $1$	Column $2$	Column $3$
$(a)$ First generation	$(p)$ High contraceptive efficacy	$(w)$ Non-medicated
$(b)$ Second generation	$(q)$ Effect on uterine lining	$(x)$ Metal ion releasing
$(c)$ Third generation	$(r)$ Low contraceptive efficacy	$(y)$ Hormone releasing

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