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Non-randomised trial, 2007

Does the contraceptive pill Yasmin ease premenstrual symptoms?

In this study, women reported fewer premenstrual symptoms like low mood, poor concentration and water retention after six months on Yasmin, but because there was no comparison group, we cannot be fully sure the pill itself caused the improvement.

Early or limited evidence 100 women who wanted oral contraception for at least 6 months.

What they did

An open-label study (everyone knew what they were taking, and there was no placebo group) gave 100 women who wanted contraception a pill containing drospirenone and ethinyl estradiol (Yasmin) for up to 6 monthly cycles. Symptoms were measured with a questionnaire (WHAQ) at the start and at each visit, across three phases of the cycle.

What they found

92 of the 100 women completed the study. By cycle 6, in the premenstrual phase there were significant drops in scores for impaired concentration, water retention, negative mood, increased appetite, feeling of well-being, and unwanted hair changes. Similar improvements showed up at the menstrual phase for concentration, mood, well-being and hair changes, and well-being and hair changes improved consistently even after the period ended.

What it means for you

This suggests Yasmin may help with premenstrual symptoms in women who also want contraception, but since there was no control group and everyone knew they were taking the pill, we can't rule out that some of the improvement was due to expectation or the passage of time rather than the drug itself.

100

Women enrolled

92%

Completed the study

6 cycles

Treatment length

About the study

Original title
Efficacy of Yasmin in premenstrual symptoms
Authors
Taneepanichskul S, Jaisamrarn U, Phupong V
Journal
Archives of gynecology and obstetrics
Year
2007
Study design
Non-randomised trial
Participants
100
What was tested
Yasmin, a contraceptive pill containing drospirenone and ethinyl estradiol, taken for 6 monthly cycles.

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