The period of the MENSTRUAL CYCLE representing follicular growth, increase in ovarian estrogen (ESTROGENS) production, and epithelial proliferation of the ENDOMETRIUM. Follicular phase begins with the onset of MENSTRUATION and ends with OVULATION.
Synonyms: Follicular Phase Phase, Preovulatory Phase, Menstrual Proliferative Proliferative Phase, Menstrual Menstrual Proliferative Phase Menstrual Cycle, Follicular Phase Preovulatory Phase Phase, Follicular Menstrual Cycle, Proliferative Phase
Term information
1985; was MENSTRUATION, FOLLICULAR PHASE see under MENSTRUATION 1975-1984; for MENSTRUAL PROLIFERATIVE PHASE see MENSTRUAL CYCLE 1985-2002
1985(1975); was MENSTRUATION, FOLLICULAR PHASE see under MENSTRUATION 1975-1984; for MENSTRUAL PROLIFERATIVE PHASE use MENSTRUAL CYCLE 1985-2002