What Every Parent Should Teach Their Child About Periods

A few years ago, a mother brought her 10-year-old daughter to my office and asked if I could talk to her about menstruation.

When I asked what they had already discussed at home, the mother admitted that they hadn''t talked about it yet. She thought her daughter was still too young — and, to be honest, she wasn''t quite sure how to start the conversation herself.

As we kept talking, the girl shared something her mother didn''t know: a few months earlier, she had gotten her first period at school. Nobody had prepared her for it. When she saw blood on her underwear, she became terrified. She thought something was wrong with her and started crying because she didn''t understand what was happening.

Fortunately, everything turned out fine. But that conversation reminded me how frightening a completely normal biological process can be when a child has never been told what to expect.

As an OB-GYN, I have seen many similar situations. Most parents have good intentions — they simply don''t know when the right moment for this conversation is. And if we wait too long, our children may face their first period frightened and unprepared.

This Conversation Is for Boys, Too

Many moms of boys might breathe a sigh of relief here and think, "Phew, this doesn''t concern me."

It does.

It is important to talk about menstruation with both girls and boys. Of course, boys don''t need a detailed explanation of every physiological process unless they ask. But they should understand that menstruation is a completely normal part of life. The more naturally we talk about it with children, the less stigma, embarrassment, and misunderstanding they will carry into adulthood.

The boys we raise today will become husbands, partners, fathers, teachers, and colleagues tomorrow. A man should not feel embarrassed when his wife or girlfriend asks him to buy pads or tampons at the store. He should simply understand that this is a normal part of life.

When boys grow up understanding menstruation:

Boys are observant. They notice that their mom, sisters, and classmates are different from them. Sooner or later, most boys will find pads, tampons, or a menstrual cup at home and ask questions. If we don''t answer those questions honestly, they will look for answers elsewhere — and the information they find is not always accurate. Sometimes it is completely misleading.

They are less likely to tease or bully girls at school
They develop empathy and respect for the people around them
They become supportive partners and parents in the future
They help reduce the stigma that still surrounds periods

When Should the Conversation Actually Start?

Modern psychologists often suggest that conversations about body awareness, reproduction, and physiology should begin as early as 3 or 4 years of age. In my opinion, the answer is both yes and no.

Children are individuals. Some begin asking about their bodies, anatomy, and where babies come from at three. Others aren''t curious about these topics until much later. The most important thing is to listen to your child rather than focusing strictly on a specific age.

Ages 3–6: Follow Their Curiosity

If your young child is curious about anatomy, answer their questions honestly and in an age-appropriate way. At this stage:

There is no need for detailed biological explanations at this age, and no need for lengthy discussions about puberty. Children''s books written for specific age groups can be incredibly helpful — they often explain these topics in a simple, respectful way.

I would not recommend explaining to a three-year-old girl that one day she will experience monthly bleeding. Most likely, that information will either frighten her or simply make no sense to her at that stage of development. Children absorb information best when it is relevant to the questions they are asking right now.

Always follow your child''s lead.

Explain that boys and girls have different bodies
Talk about body boundaries and personal safety (many parents find the "underwear rule" helpful when discussing privacy and safe touch)
Use accurate names for body parts
Keep answers short and matter-of-fact

Ages 8–10: Time for the "Real" Conversation

When it comes to girls, the conversation about menstruation itself should begin before the first period arrives.

Today, the average age of menarche is between 9 and 12 years, though some girls start earlier or later. Parents can use the signs of puberty as a guide:

On average, the first period arrives about one to two years after these changes begin. That window is your invitation to start talking — gradually, calmly, and over multiple conversations rather than one overwhelming lecture.

Breast development
Underarm and pubic hair
Mood changes
A growth spurt
Changes in body shape

How to Have the Conversation

Before starting, it can be helpful for parents to refresh their own knowledge. Many adults realize that much of what they know about menstruation comes from personal experience rather than accurate information.

A few principles that make a real difference:

Explain what menstruation is, why it happens, and what she can expect when her first period arrives. Talk about common symptoms like mild cramping, mood changes, or fatigue. Let her know that every cycle can be a little different and that there is a wide range of normal.

Stay calm and natural. Your demeanor signals that the topic isn''t shameful.
Use real words. Avoid euphemisms like "Aunt Flo" or "the curse" — they imply something secret or unpleasant.
Don''t share frightening stories about your own first period or focus only on negative experiences. Every girl is different, and she should approach this stage of life with confidence, not fear.
Answer every question honestly — even the uncomfortable ones, in an age-appropriate way.
Don''t force it. If she wants to stop, acknowledge her feelings and revisit later.

Discussing Hygiene Products

Show her the different options available — pads, tampons, period underwear, and menstrual cups. Explain how each one is used and where she can find them if her period starts unexpectedly at school, during sports, or away from home.

Don''t insist on a specific choice. Let her decide based on her comfort level. Knowing what to do in advance helps girls feel much more confident when the time comes.

Practical Steps

For heavier days, dark underwear and period-proof underwear as a backup can give her extra peace of mind.

Show her how to use each product correctly
Make hygiene supplies easily accessible at home — not hidden away
Help her build a small "period kit" for her backpack: a pad or two, clean underwear, and a zip-lock bag
Reassure her that leaks happen to everyone and are nothing to be embarrassed about

A Note on Menstrual Cups for Teens

Girls can use menstrual cups. However, sometimes the opening in the hymen may be too narrow, making cup insertion uncomfortable. In such cases, it is best to wait and try again later, when it feels more comfortable for the individual girl.

A cup designed for beginners — with a smaller size and softer silicone — can be a gentle starting point for teens who are interested. Our cup finder quiz walks through the questions that help match the right size, and our guide to menstrual products compares all the options side by side.

The Most Important Thing

As parents, we do not need to have one perfect conversation. Instead, we should create an environment where children feel comfortable asking questions and know they will receive honest answers.

These conversations are not only about menstruation. They are about trust, confidence, and helping our children understand their bodies without fear or shame.

Menstruation is not a secret. It is not a disease. It is not something to be ashamed of. It is simply a normal part of human biology — and the more openly and calmly we treat it at home, the less stigma the next generation will carry forward.

No girl should feel frightened by a normal biological process simply because nobody prepared her for it.

Written by Dr. Elena Dolgan, MD — OB-GYN, reproductive specialist, and creator of the Leia Menstrual Cup.