HomeAnswersObstetrics and GynecologypcosHow long should I wait to get periods after using Diane-35 for 21 days?

I had Diane-35 for 21 days for PCOS and irregular periods. When can I expect my period?

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Answered by

Dr. Amit Kyal

Medically reviewed by

iCliniq medical review team

Published At October 28, 2019
Reviewed AtAugust 23, 2023

Patient's Query

Hello doctor,

I have PCOS and irregular periods. My doctor prescribed me Diane-35 for 21 days. The last day of the pill was fifteen days before. I did not get my periods till date. I did a home pregnancy test, and it is negative. Though it is unlikely can I be pregnant? I wanted to know how long to wait for the periods to come with Diane-35? Please clarify.

Answered by Dr. Amit Kyal

Hello,

Welcome to icliniq.com.

Diane-35 (Ethinylestradiol and Cyproterone) is taken for 21 consecutive days with seven days off. The next cycle is started after seven days off on the eighth day, irrespective of the periods. Though in majority of cases there are periods in those seven days, rarely there may not be periods. Hope your other investigations, mainly CBC (complete blood count), blood sugar, TSH (thyroid stimulating hormone) and Prolactin are normal. PCOS (polycystic ovary syndrome) also requires lifestyle modification which includes avoiding high calorie diet, regular exercise and brisk walk.

Patient's Query

Thank you doctor,

Recently I took a blood report, which shows low prolactin. Does it cause any effect? Also, please let me know if there is any possibility for periods to come in the next couple of days?

Answered by Dr. Amit Kyal

Hello,

Welcome back to icliniq, com.

Low prolactin does not cause this problem. This may happen with PCOS (polycystic ovary syndrome), which is associated with obesity and high androgen levels. As you have taken the medications regularly for 21 days, pregnancy is also unlikely. However, once more, you do a urine test for pregnancy. It is difficult to say whether periods will come in the next few days or not. You should start the second cycle of Diane 35.

Patient's Query

Thank you doctor,

When should I start the next dosage? My last pill was on 10th of this month. Having completed 14 days, can I start taking the next pack from today or tomorrow?

Answered by Dr. Amit Kyal

Hello,

Welcome to icliniq.com.

Ideally, it should have been started on 18th of this month. However, start again from tomorrow after doing a urine test for pregnancy.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Amit Kyal
Dr. Amit Kyal

Obstetrics and Gynecology

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