The follicular phase begins during the menstrual phase and is characterized by rising estrogen levels to build a new uterine lining.

Authors

• Person: Dr. Joyce Gottesfeld Organization: Kaiser Permanente
  4 phases of the menstrual cycle: How to feel your best around your ...

Sources

• 4 phases of the menstrual cycle: How to feel your best around your ... healthy.kaiserpermanente.org Dr. Joyce Gottesfeld · Kaiser Permanente via serper

Referenced by nodes (3)

• estrogen concept
• follicular phase concept
• menstrual phase concept