The Ring
The Prement Syringe Ring
Japan's original at-home insemination kit — designed to reduce waste, built for comfort, and simpler to use.
Buy NowWhy the Ring Design
Not just a different shape — a meaningful evolution based on millions of uses and real user feedback
Designed to Reduce Waste
The ring structure keeps the sample contained and protected. Solves the most frustrating problem with traditional syringe kits.
Built for Comfort
Medical-grade soft silicone with smooth edges. Designed for comfort even for first-time users.
Simpler to Use
All-in-one integrated design, no assembly required. Open, use, and dispose — that's it.
How It Works
A simple 3-step process you can do at home
Collect
Collect the sample in the included cup or collection sheet — no pressure, no judgment.
Draw & Insert
Draw the sample into the applicator and insert gently. The smooth design makes it simple.
Rest
Lie flat for 15–30 minutes to allow the sample to reach the egg. That's it.
Choose Your Kit
Free discreet shipping on all orders
Standard Kit
5 applicators + cup + guide
Our most popular 2-month supply
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How Does It Compare?
Traditional Syringe Kits vs Prement Ring Design
| Feature | Traditional Syringe | Prement Ring |
|---|---|---|
| Ease of Use | Multi-part assembly | All-in-one ready to use |
| Comfort | Can feel rigid or uncomfortable | ✓ Soft medical-grade silicone |
| Waste Reduction | Risk of spillage and leakage | ✓ Ring structure contains sample |
| All-in-One Kit | Usually sold separately | ✓ Everything included |
| Setup Steps | 4–5 minutes per use | ✓ 30 seconds to open |
| Price per Attempt | ~$8–12 | ✓ ~$5–8 |
Why Families Trust Prement
#1 in Japan
2.5M+ Sold
Doctor Supervised
Made in Japan
Patented Design
Sterilized & Sealed
What Our Customers Say
Frequently Asked Questions
Is it painful?
No. The Prement Ring is made of medical-grade soft silicone with smooth, rounded edges. It's designed for comfort from day one, even for first-time users. The applicator glides smoothly, and many users report it feels easier than expected.
Is it hygienic?
Absolutely. Every applicator is individually sterilized and sealed in its own sterile package. Each kit is single-use and designed to be disposed of safely after use. All materials are BPA-free and Latex-free, and there's no risk of contamination.
Can I use it with donor sperm?
Yes. The Prement Ring works with fresh or frozen donor sperm. If using frozen sperm, follow your clinic's thawing instructions and then proceed with the standard usage steps. The ring design accommodates various sample types and volumes.
What's included in each kit?
Each kit includes one or more individually sterilized applicators, depending on which kit you choose. Most kits also include a collection cup and usage guide. All materials are single-use and BPA-free. See the "What's Included" section above for kit-specific details.
How discreet is shipping?
Very. All Prement orders ship in plain, unmarked packaging with no product name visible on the outside. Your privacy is our priority, and we use discreet billing descriptors. Shipping is free on all orders.
Is it eligible for HSA/FSA?
Yes, the Prement Ring is eligible for Health Savings Accounts (HSA) and Flexible Spending Accounts (FSA) when used for fertility purposes. Check with your plan administrator for specific coverage details, as eligibility may vary.
What are the success rates?
Success rates with at-home insemination are comparable to natural conception, typically 10–20% per cycle depending on age, fertility status, and other individual factors. Many couples see results within 3–6 months of consistent use. For personalized guidance, consult with your doctor.
Ready to Start Your Journey?
Free discreet shipping. HSA/FSA eligible. 30-day returns on unopened kits.
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