Question

What is the source of increase in concentration of estrogen in the proliferative phase of menstrual cycle?

• A. Hypothalamus
• B. Anterior pituitary
• C. Ovary
• D. Corpus lateum

Answer 1

The correct option is A Hypothalamus

• The follicular phase of the menstrual cycle is defined as the first day of menstruation until ovulation.
  
• It is initiated by a rise in follicle-stimulating hormone levels on the first day of the cycle. Produced by the hypothalamus.

So, the correct option is 'Hypothalamus'.