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How does a birth control sponge work?

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The device protects against pregnancy in three ways:

  1. It releases a spermicide to kill sperm cells for 24 hours. You can have sex during that time without needing more spermicide.
  2. It’s designed to trap and absorb semen before the sperm have a chance to enter the cervix, which connects the vagina to the uterus.
  3. It acts as a barrier between the sperm and the cervix.

From: The Birth Control Sponge: What to Know WebMD Medical Reference

SOURCES:

Mayo Clinic: "Contraceptive Sponge."

womenshealth.gov: "Birth control methods fact sheet."

MedlinePlus: "Vaginal sponge and spermicides."

Reviewed by Traci C. Johnson on September 06, 2019

SOURCES:

Mayo Clinic: "Contraceptive Sponge."

womenshealth.gov: "Birth control methods fact sheet."

MedlinePlus: "Vaginal sponge and spermicides."

Reviewed by Traci C. Johnson on September 06, 2019

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Where can you get a birth control sponge?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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