Onset of menstruation is due to

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2.Human Reproduction

normal

Onset of menstruation is due to

Fall in level of progesterone

Increase in level of progesterone

Increase in level of $FSH$

None of these

Solution

(a)The uterine lining dies due to the deficiency or reduced level of progesterone in blood and is sloughed off. Blood vessels rupture, causing bleeding.

Standard 12

Biology

In the development of the human body, the ectoderm is responsible for the formation of

normal

The reproductive cycle in the female primate monkeys, apes and human beings is called

normal

In Pheretima mouth develops from which of the following

normal

In sperm bank the sperms are stored in test tubes for the purpose of artificial insemination

normal

Implantation or uterine attachment of the blastocyst presumably occurs between

normal

Onset of menstruation is due to

Solution

Similar Questions

In the development of the human body, the ectoderm is responsible for the formation of

The reproductive cycle in the female primate monkeys, apes and human beings is called

In Pheretima mouth develops from which of the following

In sperm bank the sperms are stored in test tubes for the purpose of artificial insemination

Implantation or uterine attachment of the blastocyst presumably occurs between

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