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Women's Center at Westover Hills
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(210) 858-1101

Mirena IUD

Contraception

Mirena is an intrauterine contraceptive device that delivers small amounts of hormone directly into the uterus. It prevents pregnancy by preventing sperm from reaching or fertilizing your egg, it thickens cervical mucus to prevent sperm from entering the uterus, and it thins the lining of the uterus. It may also prevent ovulation for some women. It is effective for up to 5 years. Less than 1 in 100 women become pregnant with the Mirena.


Pros of Mirena

  • It is effective for 5 years
  • Periods become shorter, lighter and may even stop over time.
  • It is safe while breastfeeding.
  • It is placed in the Doctor’s office
  • Mirena is easily removed by your provider if you decide you would like to become pregnant

Cons of Mirena

  • Discomfort during placement
  • Missed menstrual periods
  • Changes in bleeding patterns

Side Effects of Mirena

  • Headaches
  • Acne
  • Depressed mood
  • Heavy or prolonged menstrual bleeding
Women who may not be a candidate for Mirena
  • History of Pelvic Inflammatory disease
  • Have an untreated pelvic infection
  • Cancer of the breast, uterus or cervix
  • Undiagnosed bleeding
  • Liver disease
  • Recurrent ectopic pregnancies

The Mirena IUD does NOT protect you from HIV and other sexually transmitted infections. Use condoms to protect yourself from these infections.

From Our Patients
“Dr. Cajas has been my Dr. for my past three pregnancies... I absolutely love him and his staff.
I would highly recommend him to anyone.” – Rosy Estrada