Which of the following statements are correct regarding female reproductive cycle?

$A$. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.

$B$. First menstrual cycle begins at puberty and is called menopause.

$C$. Lack of menstruation may be indicative of pregnancy.

$D$. Cyclic menstruation extends between menarche and menopause.

Choose the most appropriate answer from the options given below.

  • [NEET 2023]
  • A

    $A,C$ and $D$ only

  • B

    $A$ and $D$ only

  • C

    $A$ and $B$ only

  • D

    $A,B$ and $C$ only

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