(C) Lactational amenorrhoea refers to the absence of menstruation during the period of intense lactation following parturition. During this phase,the

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(C) Lactational amenorrhoea refers to the absence of menstruation during the period of intense lactation following parturition. During this phase,the high level of prolactin in the blood inhibits the release of gonadotropins ($FSH$ and $LH$) from the anterior pituitary gland,thereby preventing ovulation.

Class 12 Biology Reproductive Health Method of birth control

Medium

Lactational amenorrhoea is a natural way of birth spacing. It is due to the high level of

A
$FSH$ and $LH$ hormones
B
Estrogen
C
Prolactin
D
Progesterone

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Class 12 Questions

Class 12

Biology Questions

Chapter

Reproductive Health

Subtopic

Method of birth control

$A$ contraceptive pill contains:

Medium

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What are $\rm {IUDs}$? Give their types and effects.

Easy

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What is the function of copper ions in copper-releasing $IUDs$?

Medium

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Which option shows correctly matched pairs for Column-$I$ and Column-$II$?

Column-$I$ Column-$II$

$p$. Natural method $i$. Cervical caps

$q$. Barrier method $ii$. Hormone releasing $IUD$

$r$. Multiload $375$ $iii$. Coitus interruptus

$s$. $LNG-20$ $iv$. Non-medicated $IUD$

$v$. Copper releasing $IUD$

Column-$I$	Column-$II$
$p$. Natural method	$i$. Cervical caps
$q$. Barrier method	$ii$. Hormone releasing $IUD$
$r$. Multiload $375$	$iii$. Coitus interruptus
$s$. $LNG-20$	$iv$. Non-medicated $IUD$
	$v$. Copper releasing $IUD$