Question

Which hormone surge triggers ovulation?

• A. Estrogen
• B. LH
• C. FSH
• D. Progesterone

Answer 1

Answer:

B. LH

LH is released by the anterior pituitary. It reaches a peak level during the middle of menstrual cycle. This is called LH surge. It acts on Graafian follicles causing their rupture and release of egg in the process of ovulation.