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How does iud work

A 31-year-old female asked:
Dr. Marybeth Lambe
Travel Medicine 45 years experience
Stops Fertilization: Both the Mirena (levonorgestrel) and paragard iuds keep sperm from fertilizing an egg. Paragard--a copper iud releases copper into the uterus; copper... Read More

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A 46-year-old member asked:
Dr. Paul Singh
Obstetrics and Gynecology 23 years experience
Briefly: Do not rely on iud after after the recommended period. Paragard for 10 yrs and Mirena (levonorgestrel) for 5.
A 16-year-old female asked:
Dr. Robert Killian
General Practice 28 years experience
Trauma: It causes trauma to the uterine lining. This does not allow a newly created fetus to implant and take root in the uterus.
Dr. Justin Diedrich
Gynecology 14 years experience
Inhibit sperm: The copper has an inhibitory effect on sperm. They can't swim when there is copper nearby; go figure. The copper iud is about 99% effective. Birth con... Read More
Dr. Brian Nguyen
Obstetrics and Gynecology 11 years experience
Better than pills!: The CopperIUD is one of the BEST forms of birth control available. Non-hormonal (no effect on fertility/acne/headaches/nausea/wt gain/bloating/blood c... Read More
A 39-year-old member asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Multiple actions : The Progesterone works mainly by thickening the mucous at the cervix to kill and block sperm. It also slows the movement of the fallopian tube and thi... Read More
A 39-year-old member asked:
Dr. Raj Syal
Dr. Raj Syalanswered
Obstetrics and Gynecology 33 years experience
Inflamation: The IUD causes inflammation in the uterus which causes the sperm to not survive.
A 18-year-old female asked:
Dr. Kathy Robinson
Family Medicine 32 years experience
Two types: There are two types of IUDs that are available. One type is copper which is slowly released into the uterus and this stops the sperm from reaching the... Read More
A 32-year-old female asked:
Dr. Bac Nguyen
Family Medicine 23 years experience
Hormone vs no hormon: Hormone-iud such as Mirena (levonorgestrel) is designed to slowly/steadily release a tiny amount of hormone during the intended period--about 3 yrs. N... Read More
A 33-year-old female asked:
Dr. Stephen Richards
Obstetrics and Gynecology 42 years experience
Look in the toilet: Expulsion can be cramys or not. Some woman don't notice it coming out with menstrual flow into the toilet.
A 45-year-old member asked:
Dr. Miguel Cano
Obstetrics and Gynecology 30 years experience
Possible: If you're pregnant with an iud in place it's recommended to remove it asap due to risks of miscarriage or septic abortion. Having an iud removed and t... Read More
A 48-year-old member asked:
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Probably not...: ...at least not serious infections. When IUDs were new, they seemed to predispose to pelvic inflammatory disease (PID, fallopian tube infection). It t... Read More

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