A slot machine style wheel with a menstrual cups on it
Periods and PMS

How to Choose the Perfect Menstrual Cup for Your Flow

3 Mins read

Thinking about switching to a menstrual cup? Maybe you’ve been curious for a while. Maybe you want a more sustainable option. Or maybe you’re just ready for a change (here’s a side-by-side comparison with other period care products). You might already love your current period care routine, but feel like trying something different.

Whatever brought you here, welcome—let’s find you the one.

Step One: Know Your Flow

First things first: How heavy is your period? Think in actual measurements. Light flow? According to the NIH, the total amount of blood lost during one period is usually about 60 milliliters (around 2.7 ounces). Heavy? It could be around 80 ml.

Menstrual cups, like Nua’s Ultra-Safe Menstrual Cup, come in different sizes for different flows. Nua’s cup offers two sizes: Medium (29ml capacity) and Large (36ml capacity), perfect for tailoring to your unique cycle. 

The Medium Cup is best for:

  • Light flow
  • Beginners 
  • Those under the age of 30 

The Large Cup is best for: 

  • Heavy flow (i.e. if you’re someone who floods through a super-plus tampon in two hours.)
  • If you’re over 30. 
  • If you have given birth vaginally. 

Step Two: Consider Your Cervix Height

Yes, your cervix moves during your cycle (your body is a masterpiece, honestly). On your period, it might sit lower. Some people have a naturally high cervix, meaning they need a longer cup, while others have a low cervix and need something shorter.

To check, wash your hands, insert a finger, and see how far up you can reach before you feel a soft, round, slightly firm nub—that’s your cervix. If it’s higher, you’ll need a cup with a slightly longer body or stem, if it’s close to the entrance of your vagina, you can trim the stem to your comfort level.

Step Three: Finding the Right Feel—Material and Comfort

All menstrual cups are made of medical-grade silicone (at least, the good ones are). But not all silicones are equal. Some are very soft and can collapse or fail to seal properly, while others are firmer and more secure.

Nua’s Cup is made of firm, high-quality silicone, which helps it open up reliably and form a strong vacuum seal. This means fewer leaks and more confidence—especially if you have a heavier flow. If you’ve tried a softer cup before and struggled with leaks or placement, Nua’s firmer build might be exactly what you need. 

Nua’s cup has also been tested on vaginal cells to be biocompatible, making it 100% safe for insertion.

Step Four: Leak-Proof Confidence

Let’s be real—no one wants leaks. The right cup should seal securely without making you feel like you’re suctioned shut. The Nua’s cup has a leak-proof rim designed to create a snug yet comfortable seal. 

And once it’s in place, you can go about your day without a second thought, thanks to its ergonomic design. Yoga? Check. Swimming? Double-check. Sleeping through the night without waking up in a horror movie scene? Absolutely.

Step Five: Ease of Inserting and Removing a Menstrual Cup

For smooth insertion, you’re going to want a cup that’s easy to fold and opens up reliably. Nua’s Cup is firm yet flexible, meaning it folds easily and pops open with confidence to form a secure seal.

When it comes to removal, some cups can feel like they’re playing a game of “not coming out without a fight.” Not Nua. Its grip-friendly stem and firm body make it simple to pinch, break the seal, and slide out smoothly—no wrestling required.

Here’s an insertion and removal guide to help you through the process. 

Step Six: Longevity and Sustainability

One of the biggest perks of a menstrual cup? It lasts years. Instead of buying a new product every month, you can use the same Nua Cup for up to five years. That means no last-minute runs to the store, less waste in your bin, and a cost-effective, low-maintenance way to manage your cycle. 

It’s a smart, conscious choice that adds both convenience and value to your routine.

Step Seven: Lifestyle Considerations

Are you always on the move? Hate packing an emergency stash of pads? Prefer to sleep in without worrying about leaks? A menstrual cup is designed to keep up with your life. It’s ideal if you travel a lot, work long shifts, or just don’t want to think about your period every few hours.

Nua’s menstrual cup can be worn for up to 12 hours, meaning you can insert it in the morning and forget about it until bedtime. It’s a game-changer for long days, workouts, and even lazy Sundays when you just can’t be bothered.

The Final Decision: Is Nua’s Menstrual Cup Right for You?

If you’re looking for:

  • A firm, flexible cup that’s easy to insert and remove
  • A leak-proof, comfortable fit that adapts to your body
  • A sustainable option that saves money and reduces waste
  • A cup that’s great for beginners and pros alike

Then yes, Nua’s menstrual cup is probably your perfect match.

Your period is personal, and so is your choice of products. But once you find the right cup, there’s no going back. Ready to make the switch? Check out Nua’s Ultra-Safe Menstrual Cup and experience the comfort of a flow-friendly life.

No more leaks. No more waste. Just freedom.

Zoya Sham
33 posts

About author
Zoya is the Managing Editor of Nua's blog. As a journalist-turned-brand manager-turned-content writer, her relationship with words is always evolving. When she’s not staring at a blinking cursor on her computer, she’s worming her way into a book or scrolling through the ‘Watch Next’ section on her Netflix.
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