Follicular phase ovulation phase luteal phase refers to what respectively

Follicular

phase is the period from the first day of menstruation to the day before ovulation, lasting about 10-14 days. During this period, follicles in the ovary begin to develop and estrogen levels in the female body gradually increase.

2

. Ovulation

phase is the period from ovulation to the day before menstruation, lasting about 12-16 days. During this period, follicles in the ovary mature and ovulate, and estrogen levels in the female body reach a peak.

3. Luteal

phase is the period from the first day of menstruation to the day before the next menstrual cycle, lasting about 14 days. During this period, luteal phase in the ovary begins to secrete progesterone, and estrogen levels in the female body gradually decrease.