Understanding the Menstrual Cycle: Hormonal Regulation Explained #3257590 (License: Personal Use)

The image depicts a simplified anatomical illustration of a female body highlighting the hypothalamic-pituitary-ovarian axis. A green oval in the brain represents the hypothalamus (with a smaller green dot for the pituitary), while the uterus and ovaries are shown below. The blue curved arrow traces the follicular phase leading to ovulation, and the red curved arrow illustrates the luteal phase and potential menstruation if pregnancy does not occur.

Used in health education articles, OB/GYN patient resources, or biology textbooks to explain endocrine regulation of the menstrual cycle; matches user intent to understand fertility, period tracking, or reproductive physiology.