If pregnancy does not occur, the corpus luteum breaks down, leading to a decrease in estrogen and progesterone levels, which initiates the start of a new menstrual cycle.

Authors

• Person: Not available Organization: Liv Hospital
  4 Phases of Menstrual Cycle: Hormone Changes Chart - Liv Hospital

Sources

• 4 Phases of Menstrual Cycle: Hormone Changes Chart - Liv Hospital int.livhospital.com Liv Hospital via serper

Referenced by nodes (5)

• estrogen concept
• progesterone concept
• corpus luteum concept
• menstrual cycle concept
• pregnancy concept