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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Taking Hair Skin And Nails Collagen Support. Missed Periods. Pregnancy Test Negative. Biotin Effects Period Cycle?

i started taking hair skin & nails collagen support pills from Spring Valley that contains biotin 1000% as i was loosing my hair and nails chipped many times. My period is 3 weeks late already. We did pregnancy test twice first after a week of missed period and then second on another week. They both came out negative. I have an appointment with my PCP in a week but I'm scared why didn't i have my period. I read online that biotin can affect your period cycle, is it true?
Mon, 11 Nov 2013
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General & Family Physician,  's  Response
Hi and thanks for the query,
It is true it can affect one s cycle. However, there are moments in the reproductive cycle of a female when cycles can be missed. I Suggest a proper pregnancy test be done, preferable measuring Beta HCG levels in blood to be very sure. Stressful conditions can lead to missed periods and also cycles when there is no ovulation. I suggest you consult your doctor to exclude a pregnancy properly first before attributing the missed periods to biotin. Thanks and kind regards
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Taking Hair Skin And Nails Collagen Support. Missed Periods. Pregnancy Test Negative. Biotin Effects Period Cycle?

Hi and thanks for the query, It is true it can affect one s cycle. However, there are moments in the reproductive cycle of a female when cycles can be missed. I Suggest a proper pregnancy test be done, preferable measuring Beta HCG levels in blood to be very sure. Stressful conditions can lead to missed periods and also cycles when there is no ovulation. I suggest you consult your doctor to exclude a pregnancy properly first before attributing the missed periods to biotin. Thanks and kind regards