A member asked:

I have had the mirena (levonorgestrel) iud for 4 years.3 months ago instead of getting a period i got brown discharge for about a day each time.pregnancy test negative?

A doctor has provided 1 answer
Dr. Mary David answered

Specializes in Obstetrics and Gynecology

The IUD: The Mirena (levonorgestrel) IUD is a progestin only contraceptive method.Progesterone opposes the estrogenic stimulus to the uterine lining to grow and instead signals it to mature. For this reason there is a markedly thinner lining that gets thinner over time (+a decreased risk of uterine cancer).That is the reason that you just have the dark spotting. Progestins also provide contraception. Estrogen is added for cycle control.

Answered 2/3/2015

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