Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
Maintenance of the hypertrophical endometrial lining
Maintenance of high concentration of sex hormones in the blood stream
Retention of welldeveloped corpus luteum
Fertilisation of the ovum
Given below is a flow chart showing ovarian changes during menstrual cycle. Fill in the spaces giving the name of the hormones responsible for the events shown.
$\boxed{\rm {Primary follicles}}$
$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed A$
$\boxed{\rm {Graafian follicle}}$
$\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed B$
$\,\,\,\,\,\,\,\,\,\,\,\boxed{\rm {Ovum}}$
$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed C$
$\boxed{\rm {Corpus leuteum}}$
What is menstrual cycle? Which hormones regulate menstrual cycle?
Secretion of progesterone by corpus luteum is initiated by
Transformation of a young follicle into graafian follicle is controlled by
Correct hormonal sequence in the increase of menstruation is