The Study of the Effect of Levothyroxine on Dysfunctional Uterine Bleeding (DUB) in Euthyroid Women

Mehri Jamilian, Afsaneh Talaei, Ali Chehrei, Mohammad Reza Rezvanfar, Fatemeh Rafei
2017 Iranian South Medical Journal  
Hypothyroidism and hyperthyroidism have been known as the most important reasons for DUB (dysfunctional uterine bleeding) that presents as menstrual irregularities. Regarding to the effects of thyroid hormones on mense, levothyroxine intake may be effective on DUB in euthyroid women. Material and Methods: In this interventional randomized, double-blind, placebo-controlled clinical trial on 120 women aged 35-55 years old with DUB that they had no organic reasons and had normal thyroid function
more » ... thyroid function and they were taking oral contraceptive pill (OCP), were divided in two groups that each group included 60 women. The intervention group took one tablet of levothyroxine 0.1 mg daily and control group took placebo for three months and after 3 months, comparison between two groups were performed by using SPSS software 16 and in order to data analyzing paired t test and student t test and covariance analysis was used. Results: Our study showed the overall recovery rate of all kinds of mense irregularities was 48(80%) and 51(85%) in intervention and control groups respectively that shows there was no difference in comparison to pretreatment (P=0/47). The comparison of recovery rate based on different kinds of mense irregularities in two groups showed that recovery rate in metrorrhagia was significantly more in intervention group (100%) than control group. Based on covariance analysis, a meaningful recovery rate in duration and interval bleeding, and the number of used pads was seen in intervention group in comparison to control group (F=4.352, P=0.006).
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