Menstrual Cycle and Ovulation
OVULATION The menstrual cycle is a complex and intricately regulated biological process that occurs in women, typically lasting around 28 days, although it can vary from person to person. This cycle is orchestrated by a delicate interplay of hormones and involves several distinct phases, culminating in ovulation—the release of an egg from the ovary. Let's explore this fascinating journey step by step. 1. Menstrual Phase (Days 1-5): The menstrual cycle begins with the menstrual phase, marked by the shedding of the uterine lining. This phase usually lasts about 3 to 7 days, during which blood and tissue exit the body through the vagina. The decrease in hormone levels triggers the breakdown of the endometrial tissue, leading to menstruation. 2. Follicular Phase (Days 1-13): Simultaneously with menstruation, the body initiates the follicular phase. The pituitary gland releases follicle-stimulating hormone (FSH), stimulating the ovaries to produce several follicles, each containing an i...