Not knowing when your cycle is coming can be annoying when you want to wear white pants, try for a baby or leave the house without the fear of not having a tampon. Whilst annoying, irregular cycles are a sign that our brain isn’t signalling our hormones at the right times in our cycle, and our hormone balance becomes out of sync. Whether you’ve got your first period or you’re entering menopause, it’s important to understand what is normal and what’s not.