A female is suffering from irregular menstrual cycle. The doctor prescribed her some hormonal tablets. Which option shows the hormones she lacks in her body from the endocrine gland?
The correct answer is [A] Oestrogen.
Oestrogen is the female sex hormone secreted by ovaries. It regulates the menstrual cycle and prepares the uterus for pregnancy. Lack of oestrogen causes irregularity, so doctors prescribe hormonal tablets to balance it.
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ANSWER: [A]
Explanation: The correct answer is [A] Oestrogen. Oestrogen, secreted by the ovaries, regulates the menstrual cycle and development of female reproductive organs. Deficiency of oestrogen often causes irregular menstrual cycles. Testosterone is male hormone, while adrenalin and thyroxin are unrelated to menstruation.