Home › MCQs › MDCAT Biology › Question #4286
Back to Questions
MDCAT Biology QUESTION #4286
Question 1
During the menstrual cycle, luteinizing hormone (LH) is secreted due to:
  • Decrease in Estrogen
  • Decrease in FSH✔️
  • Increase in FSH
  • Environmental effect
Correct Answer Explanation
The LH surge that triggers ovulation is caused by a decrease in FSH combined with rising estrogen levels from the dominant follicle, providing positive feedback to the anterior pituitary.