---
title: "First periods and perimenopause: life stage guides"
description: "Guides for the times periods change most: first periods, for teenagers and their parents or carers, and the shifts in bleeding that come with perimenopause."
url: "https://myruva.co/learn/topics/life-stages"
language: "en-GB"
---

# First periods and perimenopause: life stage guides

Periods change most at the start and towards the end. These guides cover what to expect and which changes are worth checking.

- [First period: a guide for teens and families](https://myruva.co/learn/first-periods-a-guide-for-teens-and-parents): What to expect from your first period, how a parent or carer can help, and when to see a GP or get urgent medical advice.
- [No period yet: when a first period is late](https://myruva.co/learn/late-first-period-and-delayed-puberty): When to ask about a first period that hasn’t come, why the ages for a check differ, and what a puberty check may involve.
- [Perimenopause periods: changes and care](https://myruva.co/learn/perimenopause-and-period-changes): How periods can change in perimenopause, which bleeding to get checked, when you still need contraception, and how to get support.
- [Puberty: what changes and when](https://myruva.co/learn/puberty-what-changes-and-when): Breast buds, growth, discharge and changing skin. What can happen before a first period, and when to ask for help. Breast buds can feel tender and grow slowly.