(D) Implanon is a hormonal contraceptive implant that works primarily by inhibiting ovulation and thickening the cervical mucus to prevent sperm entry

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Implanon - prevents entry of ejaculated semen into female reproductive tract.

(D) Implanon is a hormonal contraceptive implant that works primarily by inhibiting ovulation and thickening the cervical mucus to prevent sperm entry. It does not act as a physical barrier to prevent the entry of ejaculated semen into the female reproductive tract; that function is performed by barrier methods like condoms. Therefore,the statement in option $D$ is incorrect.

Class 12 Biology Reproductive Health Method of birth control

Easy

Select the $INCORRECT$ match.

MHT CET 2023 All MHT CET

A
Copper releasing IUDs - suppress sperm motility and fertilizing capacity of sperms.
B
Hormone releasing IUDs - make uterus unsuitable for implantation.
C
Lippes loop - attracts macrophages into uterine cavity for phagocytosis of sperms.
D
Implanon - prevents entry of ejaculated semen into female reproductive tract.

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Reproductive Health

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Method of birth control

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What happens after a vasectomy?

Medium

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Choose the correct statement among the following regarding $IUDs$:

Medium

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Match the following columns regarding the types of Intrauterine Devices $(IUDs)$:

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

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