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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delayed Periods After Hepatitis-B, HPV, Genisitus Vaccination?

I had my vaccine shots on the 1st of April which was 3 days ago, im supposed to start my period on the first and never did I cramped the day before and about every day at least once .. could this be because of they vaccine ? It was 3 shots hepatitis b , hpv , and the shot for genisitus... im very scared because if I could possibly be pregnant if these shots could affect the baby. Or if im not could the shots be causing my cycle to be late ?
Thu, 1 Jun 2023
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General & Family Physician 's  Response
Hi,

Vaccinations, including the hepatitis B, HPV, and hepatitis A (assuming you meant "hepatitis A" instead of "genesis") vaccines, are not known to directly cause delayed periods. These vaccines are designed to stimulate the immune system and protect against specific infections, and they generally do not have an impact on menstrual cycles.

Several other factors can contribute to a delayed or irregular menstrual cycle, including:
* Stress: Emotional or physical stress can disrupt hormonal balance and delay ovulation or menstruation.
* Hormonal imbalances: Hormonal imbalances, such as polycystic ovary syndrome (PCOS) or thyroid disorders, can lead to irregular periods.
* Medications: Certain medications, such as hormonal contraceptives or some medications used to treat other health conditions, may affect menstrual cycles.
* Pregnancy: If you are sexually active and there is a possibility of pregnancy, it's important to consider the possibility and take a pregnancy test if your period is significantly delayed.

If you are concerned about a delayed period, it's best to consult with a healthcare professional. They can evaluate your specific situation, take into consideration any recent changes or medications, and provide appropriate guidance. They can also address any concerns you may have about the vaccines and their potential effects on pregnancy.

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 Delayed Periods After Hepatitis-B, HPV, Genisitus Vaccination?

Hi, Vaccinations, including the hepatitis B, HPV, and hepatitis A (assuming you meant hepatitis A instead of genesis ) vaccines, are not known to directly cause delayed periods. These vaccines are designed to stimulate the immune system and protect against specific infections, and they generally do not have an impact on menstrual cycles. Several other factors can contribute to a delayed or irregular menstrual cycle, including: * Stress: Emotional or physical stress can disrupt hormonal balance and delay ovulation or menstruation. * Hormonal imbalances: Hormonal imbalances, such as polycystic ovary syndrome (PCOS) or thyroid disorders, can lead to irregular periods. * Medications: Certain medications, such as hormonal contraceptives or some medications used to treat other health conditions, may affect menstrual cycles. * Pregnancy: If you are sexually active and there is a possibility of pregnancy, it s important to consider the possibility and take a pregnancy test if your period is significantly delayed. If you are concerned about a delayed period, it s best to consult with a healthcare professional. They can evaluate your specific situation, take into consideration any recent changes or medications, and provide appropriate guidance. They can also address any concerns you may have about the vaccines and their potential effects on pregnancy. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Priyanka, General & Family Physician