Cervical Cap or Diaphragm

A soft, reusable barrier that offers hormone-free protection without a daily routine.

Reusable devices placed in the vagina to and block sperm. 14-29 out of 100 can get pregnant using this method and effectiveness can vary depending on if you have given .

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The menstrual cup's BC sister

Cervical Cap/Diaphragm

Expert

Barrier methods 101

Barrier Methods • MD

Fit check for your cervix

Cervical Cap/Diaphragm • MD

Diaphragm 101

Cervical Cap/Diaphragm

What people like

🌿 Non-hormonal
⏱️ Inserted before sex so it doesn't break the mood
♻️ Sustainable, eco-friendly option

What people don't like

🕒 Must stay in at least 6 hours after sex
🧼 Needs cleaning or replacement
👩🏽‍⚕️ Some require fitting from a provider
💧 Must be used with spermicide for full protection

What to expect

💧 Routine

You'll need to apply spermicide to the cup before every use. If you have sex again while it's still in, just insert an extra dose of spermicide into the vagina.
When inserted near the cervix, neither you nor your partner should be able to feel it.

📅 First Weeks

It can take a few tries to feel confident with insertion and removal.

✅ Checklist for use

I have spermicide on hand
I can feel my cervix to ensure it's covered
I have a clean, ventilated case for storage

❌ Removal

Leave it in for at least 6 hours after sex, then gently remove it yourself. Wash it with soap and water and let it air-dry before storing.

What's the difference

Cervical Cap

Getting one: Requires an in-person fitting to find the right size
How long it can stay in: Up to 48 hours total
Size + shape: Smaller than a diaphragm, with a thimble or hat-like shape that fits snugly over the cervix
How well it works: Effectiveness can depend on whether you've had a vaginal delivery, so talk with a clinician about what that means for you

Diaphragm

Getting one: Some types require an in-person fitting. Single-size options may be available through telehealth
How long it can stay in: Up to 24 hours total
Size + shape: Larger than a cervical cap, with a flexible dome that covers the cervix and upper vagina
How well it works: Effectiveness can depend on whether you've had a vaginal delivery, so talk with a clinician about what that means for you

Your questions, Answered

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