Her First Period: What To Say, And When To Say It

There’s a timing problem hidden in how most families handle this, and it shows up clearly in our own readers’ answers.

So that combination leaves girls unprepared. The average first period is around 12, but the normal range starts at 9. School sexuality education covers puberty from upper primary. A meaningful number of girls will therefore start bleeding before anyone has told them what bleeding is, and the first thing they’ll think is that something is badly wrong with them.

The conversation needs to happen before she needs it, not when she needs it. That means around 8 or 9, calmly, before there’s anything to react to.

How to know it’s coming

You get roughly two years of notice, and most parents don’t know to look for it.

• Breast budding is the first sign: a small firm lump under the nipple, often on one side first, often tender. The first period usually follows about two to two and a half years later.
• Then a growth spurt, then pubic and underarm hair, then body odour.
• Clear or whitish discharge in her underwear is the strongest short-term signal. It typically appears six to twelve months before the first period. When you see it, you’re within the year.

So: breast buds mean start talking. Discharge means pack the kit.

What to say

The mistake is treating it as one Big Talk. It works far better as several short, unremarkable ones, starting early, so that by the time it happens she’s known for years.

• Use the real words. Period, vulva, vagina, uterus. Invented names teach that the subject is too shameful for its own vocabulary, and a child who lacks the words also can’t report something wrong.
• Explain the mechanism simply. The uterus builds a soft lining each month in case a baby grows there; when there’s no baby, the lining leaves through the vagina. That’s a period. It isn’t an injury and it isn’t dirty.
• Say the amount. Girls are frightened by the sight of blood. Across a whole period it’s only a few tablespoons, spread over several days.
• Be straight about the timing: usually around 12, sometimes as early as 9, sometimes as late as 15, and all of that’s normal.
• Tell her yours. How old you were, that you were nervous, what you wish you’d known. This is the part she’ll remember.
• Include the boys in the family. Brothers who know what a period is grow into men who aren’t strange about it, and it removes a common source of teasing.
• Don’t make it exclusively a mother’s job. Fathers being calm and matter-of-fact about it changes how she feels about it.

The kit

Prepare it together, well before it’s needed, and let her keep it in her school bag. Practical control is what removes the dread.

• Two or three pads in a small pouch. Show her how one goes on. Unwrap one and demonstrate instead of describing it.
• A spare pair of underwear and a small plastic bag.
• Dark spare shorts or an extra PE kit at school if that’s allowed.
• A plan for school. Which toilet, which teacher she can tell, that the school office will have pads. Say out loud that she’s allowed to ask a teacher, because most girls won’t consider it an option unless told.
• Period underwear is another option. Many girls find it far less stressful than pads for the first year, particularly for school and for sleep.

Tampons and menstrual cups are safe for teenagers and neither affects virginity. That idea is simply untrue. Most girls start with pads and move on when they want to, often for swimming. If she uses tampons, the rule is to change every four to eight hours and never sleep in one.

What the first year looks like

• Irregular is normal. For the first year or two, cycles are often unpredictable: a period, then nothing for two months, then two close together. That’s ordinary and not a sign of a problem.
• Cycle length in teenagers commonly runs anywhere from 21 to 45 days.
• Bleeding usually lasts two to seven days.
• Cramps often start a little later than the first periods, not immediately.
• For pain, ibuprofen works better than paracetamol for period cramps because of how the pain is produced. Taken with food, at the first sign, not once it’s severe. A heat pack helps too.

When to see a doctor

• No breast development by 13, or no period by 15, or more than three years after breast budding
• Any bleeding before 8
• Soaking through a pad every hour or two, or bleeding longer than seven days
• Pain severe enough to keep her from school, or not helped by ibuprofen. This isn’t something to endure, and it can point to a treatable cause
• Cycles consistently shorter than 21 days or absent for more than three months once established
• Tiredness, pallor or breathlessness with heavy periods, which points to iron deficiency and is common in teenage girls

On the day

Keep it small. A girl watches her mother’s face to learn what this means.

No announcement to the family, no phone call to the grandparents, and nothing that turns it into an event unless she wants one. “Well done for telling me. Let’s get you sorted” is about the right size. If she’s upset, that’s fine too. It’s a large thing to happen to a ten-year-old, and she doesn’t have to be pleased about it.

Frequently asked questions

When should I talk to my daughter about periods?

Around 8 or 9, before there’s anything to react to. Most parents wait: 66% of our readers said they’d leave it until school covers it, and 58% said their daughter was too young to understand. But the normal range for a first period starts at 9, so waiting for school means some girls bleed before anyone has explained what bleeding is.

What age do girls usually get their first period?

Around 12 on average, with a normal range of roughly 9 to 15. Breast budding comes first and the period usually follows two to two and a half years later; clear or whitish discharge typically appears six to twelve months before.

What are the signs her first period is coming soon?

Breast buds first, then a growth spurt, pubic and underarm hair, and body odour. The strongest short-term signal is clear or whitish vaginal discharge, which usually starts six to twelve months ahead.

Are irregular periods normal at the start?

Yes. For the first year or two, cycles are commonly unpredictable: one period, then nothing for two months, then two close together. Teenage cycles often run anywhere from 21 to 45 days. See a doctor if periods stop for more than three months once established, or if cycles are consistently under 21 days.

Can teenagers use tampons?

Yes, and menstrual cups too. Neither affects virginity, which is a myth. Most girls start with pads and switch when they want to, often for swimming. With tampons, change every four to eight hours and never wear one overnight. Period underwear is another option, and many girls find it much less stressful for school in the first year.

When should we see a doctor about her periods?

If there’s no breast development by 13 or no period by 15, any bleeding before 8, soaking a pad every hour or two, bleeding beyond seven days, pain bad enough to keep her from school, or tiredness and pallor that suggest iron deficiency. Severe period pain is treatable and shouldn’t simply be endured.

What to remember

Tell her at 8 or 9, in small ordinary conversations, using real words. Breast buds mean start talking; discharge means pack the kit.

Put pads and spare underwear in her school bag before she needs them, and tell her explicitly that she’s allowed to ask a teacher.

Then on the day, keep your face calm and your response small. She’s reading you for what this means.

Read next

• Iron deficiency: the symptoms most women miss
• How to be the parent your child tells things to

This article is general information and not a substitute for medical advice. If you’ve concerns about your daughter’s development, speak to your doctor or polyclinic.