Period Sponge: What You Need to Know

​Menstrual sponges, often referred to as period sponge, are absorbent devices inserted into the vagina to collect menstrual blood. They can be natural sea sponges harvested from the ocean or synthetic alternatives made from materials like polyurethane foam.

Promoted for their reusability and eco-friendliness, menstrual sponges have been used historically as a natural method for managing menstruation.​

How Do Period Sponges Work?

Similar to tampons, menstrual sponges are inserted into the vagina, where they expand to absorb menstrual blood.

Unlike tampons, they lack applicators or strings, which can make removal more challenging. After use, natural sea sponges can be washed and reused, while synthetic versions are typically designed for single use.

Safety Considerations

The safety of menstrual sponges has been a topic of concern. The U.S. Food and Drug Administration (FDA) classifies sea sponges labeled as menstrual products as significant risk devices requiring premarket approval.

This classification stems from studies revealing that natural sea sponges may contain impurities like sand and bacteria, posing potential health risks, including Toxic Shock Syndrome (TSS). Due to these concerns, the FDA has not approved any menstrual sponges for sale in the United States.

Usage Guidelines

If one chooses to use a period sponge despite safety concerns, it’s crucial to follow proper usage guidelines to minimize risks:​

• Insertion: Wash hands thoroughly. Moisten the sponge with water to soften it, squeeze out excess liquid, and insert it into the vagina in a comfortable position.​
• Removal: Since menstrual sponges lack strings, removal can be challenging. Insert fingers into the vagina to grasp and gently pull out the sponge. Performing this over a toilet or in the shower can help manage potential mess.​
• Cleaning: Clean the sponge between uses by soaking it in a solution of one tablespoon of vinegar or one teaspoon of hydrogen peroxide mixed with a cup of warm water for 5 to 10 minutes. Rinse thoroughly and allow it to air dry completely before reinsertion.​

It’s important to note that there is no standardized method for effectively sanitizing menstrual sponges, and improper cleaning can increase the risk of infections.​

Cost and Availability

Menstrual sponges are available through various online retailers and specialty stores. Prices vary, with natural sea sponges typically ranging from $10 to $20 per sponge. However, due to FDA regulations and safety concerns, they are not widely available in the United States.

Alternatives to Menstrual Sponges

For those seeking eco-friendly menstrual products, several safer alternatives are available:​

• Menstrual Cups: Reusable silicone cups that collect menstrual blood and can be worn for up to 12 hours. Brands like DivaCup and Lunette offer various sizes and models.

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• Reusable Cloth Pads: Washable fabric pads that can be used multiple times, reducing waste. Companies like GladRags and Eco Femme provide a range of options.

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• Period Underwear: Underwear designed with built-in absorbent layers to replace or supplement traditional menstrual products. Brands such as Thinx and Knix offer various styles and absorbency levels.​

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Related: How to Put in a Menstrual Cup: A Complete Guide for Beginners

When to Consult a Healthcare Professional

If you experience any of the following symptoms while using a period sponge or any menstrual product, seek medical attention promptly:​

• High fever​
• Nausea or vomiting​
• Dizziness or fainting​
• Sunburn-like rash​
• Difficulty breathing​

These symptoms may indicate TSS or another serious infection.​

Conclusion

While menstrual sponges are marketed as natural and sustainable options for period management, significant safety concerns exist, including risks of infection and lack of FDA approval.

Individuals interested in eco-friendly menstrual products should consider safer alternatives like menstrual cups, reusable cloth pads, or period underwear. Consulting with a healthcare provider can help determine the most suitable and safe menstrual product for your needs.