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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delay In Periods Despite Having Negative UPT?

Hi my periods are due on the 3rd of every month and the week before I had unprotected sex twice and took 2 doses of postinor. On the 4th I took a pregnancy test and it was negative but I m a little worried because it hasn t come as yet..should I be worried?
Tue, 2 May 2023
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General & Family Physician 's  Response
Hi,

Actually last week of monthly cycle is in safe zone (provided periods are regular). You had take Postinor 2 doses after this sex. The Postinor 2 is an emergency contraceptive and contains high doses of hormones. You had taken double doses so had very strong dose of hormones. Emergency contraceptive tends to delay menstrual cycle, because of high hormonal content. Please wait for periods till 15 days delay. In case you don't get it, consult your gynecologist for needful investigations.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Vasudha Jayant Athavale, General & Family Physician
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General & Family Physician Dr. Priyanka's  Response
Hi,

Taking emergency contraception, like Postinor, can cause changes in menstrual cycles and delay the onset of periods. In addition, stress, changes in weight or exercise habits, hormonal imbalances, and certain medications can also cause a delay in periods. It's also possible that the pregnancy test was taken too early to detect pregnancy, and a retest may be necessary for a few days or a week.

If your period is delayed for more than a week, it's a good idea to take another pregnancy test to confirm whether or not you are pregnant. If the test is negative, and your period still hasn't arrived, it's important to see a healthcare provider to rule out any underlying medical conditions and to discuss potential causes of the delay.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Priyanka, General & Family Physician
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What Causes Delay In Periods Despite Having Negative UPT?

Hi, Actually last week of monthly cycle is in safe zone (provided periods are regular). You had take Postinor 2 doses after this sex. The Postinor 2 is an emergency contraceptive and contains high doses of hormones. You had taken double doses so had very strong dose of hormones. Emergency contraceptive tends to delay menstrual cycle, because of high hormonal content. Please wait for periods till 15 days delay. In case you don t get it, consult your gynecologist for needful investigations. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Vasudha Jayant Athavale, General & Family Physician