Step 1: Understanding the Concept:
Hormonal regulation involves feedback mechanisms.
Estrogen and progesterone have specific effects.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand hormonal feedback.
Step 3: Detailed Explanation:
Statement I: Estrogen increases gonadotropin release (positive feedback) - correct.
Statement II: Progesterone decreases sensitivity to GnRH and reduces LH/FSH - correct.
Thus, both statements are correct.
Step 4: Final Answer:
Both Statement I and Statement II are correct.
Hence, the correct option is (A).