If pregnancy does not occur during the luteal phase, progesterone levels drop, causing the menstrual cycle to restart.

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 (4)

• progesterone concept
• luteal phase concept
• menstrual cycle concept
• pregnancy concept