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Dr. Andrew Rynne
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Dr. Andrew Rynne

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Exp 50 years

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Can Pregnancy Be Possible By Having Unprotected Sex While Being On Cerazette And No Periods?

I was on cerazette for a month. I used to have marvelon but since it was not available i had cerazette.last pill was last monday.no period yet until now. Just had unprotected sex today. But same time i had started taking marvelon.will i get pregnant? Can i continue taking marvelon for a week and stop to have my period?
Thu, 20 Feb 2014
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OBGYN,  's  Response
Hi,
welcome to health care magic.

Cerazette and marvelon both contain the same drugs. However marvelon contains estrogen in addition to the desogestrel in cerazette.

If the pills have been taken regularly as prescribed then chances of pregnancy are not there. The date of the sexual episode is not clear. Was it 5 days after stopping cerazette or 9-10 days.

If you had unprotected sex about 3-5 days after completing cerazette, chances of pregnancy are very low almost zero. If it is after 9-10 days chances are higher but not very high. The risks are mostly theoretical, it happens rarely in actual practice as it is just the beginning of fertile period. It is better to use Plan B in such situations if you want to be absolutely sure.

Absence of period is common with cerazette so that is not a cause of concern. I suggest that if sexual contact occurred more than 9-10 days after stopping cerazette, take plan B to be very sure.

Hope this satisfies your query.
Thanks for using HCM.     
Feel free to ask any more questions that you may have.
Dr Madhuri Bagde
Consultant Obstetrician and Gynecologist
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Can Pregnancy Be Possible By Having Unprotected Sex While Being On Cerazette And No Periods?

Hi, welcome to health care magic. Cerazette and marvelon both contain the same drugs. However marvelon contains estrogen in addition to the desogestrel in cerazette. If the pills have been taken regularly as prescribed then chances of pregnancy are not there. The date of the sexual episode is not clear. Was it 5 days after stopping cerazette or 9-10 days. If you had unprotected sex about 3-5 days after completing cerazette, chances of pregnancy are very low almost zero. If it is after 9-10 days chances are higher but not very high. The risks are mostly theoretical, it happens rarely in actual practice as it is just the beginning of fertile period. It is better to use Plan B in such situations if you want to be absolutely sure. Absence of period is common with cerazette so that is not a cause of concern. I suggest that if sexual contact occurred more than 9-10 days after stopping cerazette, take plan B to be very sure. Hope this satisfies your query. Thanks for using HCM. Feel free to ask any more questions that you may have. Dr Madhuri Bagde Consultant Obstetrician and Gynecologist