cycle articles
What event officially starts the entire menstrual cycle?
Which two reproductive hormones primarily orchestrate the four main menstrual cycle phases?
What hormonal event immediately precedes and triggers the rupture of the dominant follicle during ovulation?
What is the typical duration, often around 14 days, for the luteal phase, the time between ovulation and the next period?
Which of the four primary menstrual cycle phases is generally considered the most variable in length across different cycles?
What specific range, in days, defines a cycle length considered normal for most adults?
What is the typical range of days that the phase known as menstruation (bleeding) usually lasts?
If fertilization does not occur, what happens to the corpus luteum after approximately ten to fourteen days?
How can being significantly underweight, affecting Body Mass Index (BMI), potentially disrupt the regular cycle?