The generic name for Mannitol is Levonorgestrel IUD. The absence of menstruation after the placement of levonorgestrel IUD may be caused by the progesterone released by the IUD, or it may be caused by endocrine disorders or infections.
1. Progesterone released by the birth control ring: Because the birth control ring contains a certain amount of levonorgestrel, after placing it, it will release progesterone in the body, which will act on the endometrium, leading to the restriction of the endometrial proliferation, and thus the phenomenon of not having a menstrual period.
2. Endocrine disorders: when the woman in the placement of birth control rings, if the irregular lifestyle, often stay up late may lead to endocrine disorders, which in turn affects the menstruation, and severe cases may not appear the phenomenon of menstruation.
3. Infection: due to improper operation or lack of attention to hygiene after the operation, infection may occur, which may lead to the phenomenon of not having menstruation.
After placing the levonorgestrel intrauterine device system does not menstruation may also be pregnancy and other causes, it is recommended to go to the hospital in a timely manner to carry out relevant examinations, under the guidance of a professional doctor to clarify the cause of the disease, targeted treatment.