Menstrual cycle is controlled by
Thymosins and adrenalin
$FSH$ and $LH$ of pituitary
only thyroxine
pituitary $GH (STH)$
In girl, the first menstruation begins at puberty and is called .....
Arrange the events of menstrual cycle as they occur
$I.$ Secretion of $FSH$
$II.$ Growth of corpus luteum
$III.$ Growth of follicle and oogenesis
$IV.$Ovulation
$V.$ Sudden increase in level of $LH$
Ovulation in the human female normally takes place during the menstrual cycle
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:
The structure formed after release of ova from graafian follicles and secretory in nature, is