$ 10.99 · 4.7 (773) · In stock
The follicular or pre-ovulatory phase of the menstrual cycle is the period between the first day of menstruation and ovulation. Therefore, in a typical 28-day menstrual cycle it lasts 14 days, although its length is more variable than that of the luteal or postovulatory phase.
The follicular phase, also called the proliferative or pre-ovulatory phase, is the stage of a woman's menstrual cycle when the ovarian follicles grow. This stage comprises from the onset of menstruation, that is, from the first day of menstruation until the ovulatory phase.
Estrogen and progesterone levels at the beginning of the follicular phase of the menstrual cycle are low so that the endometrium can be shed and cause menstruation. In addition, follicle stimulating hormone (FSH) increases in concentration so that follicular development can occur. As this occurs and the follicles are developing, the ovaries begin to secrete estrogen.
Egg and sperm donation magazine
The Stages of Menstrual Cycle and Hormone Levels, Explained
What is the follicular phase of the menstrual cycle. How long does it last?
Understanding the Four Phases of the Menstrual Cycle
Ovulation Cycle - Ovulation cycle timeline
The 4 Phases Of Your Menstrual Cycle - Affinity Health
The Relationship Between the Menstrual Cycle and Sleep — BrainPost
What happens in your Menstrual Cycle?
The Menstrual Cycle - Medical Exam Prep
Understanding The Menstrual Cycle
Menstrual Cycle- Phases of Menstrual Cycle and Role of Hormones
Understanding Your Menstrual Cycle and Phases
Phases of The Menstrual Cycle Explained Complete Video
What Is the Follicular Phase? – Casco Cup
How Your Sleep Changes Throughout Your Cycle – The Girls Company